NCERT Class 12 Biology • Chapter 3

Reproductive Health

Read it line by line. Each line is explained as if you are 10, followed by 5 NEET-style questions. Diagrams from the NCERT textbook are included. Scroll to the end for Exceptions, Scientists, Examples and High-Yield Points.

3.1 Reproductive Health 3.2 Population Stabilisati 3.3 Medical Termination of 3.4 Sexually Transmitted I 3.5 Infertility & Assisted ExceptionsScientistsExamplesExercisesHigh-Yield
3.1

Reproductive Health – Problems & Strategies

1

“Reproductive health, by the WHO definition, means total well-being in all aspects of reproduction – physical, emotional, behavioural and social.”

🧒 Explain like I’m 10

Being 'reproductively healthy' is not only about having body parts that work. It also means feeling happy, safe and confident about these matters in your mind and with other people. So it covers the body AND the feelings AND how we behave in society.

❓ 5 possible NEET questions
  1. Reproductive health according to WHO is total well-being in how many aspects?
    Show answerFour – physical, emotional, behavioural and social.
  2. Which organisation gave the broad definition of reproductive health?
    Show answerWorld Health Organisation (WHO).
  3. Reproductive health includes the emotional and ____ aspects of reproduction.
    Show answerSocial.
  4. Assertion-Reason: A society with normal reproductive organs alone is reproductively healthy. (T/F)
    Show answerFalse – normal emotional & behavioural interactions are also required.
  5. The term 'reproductive health' refers in the simplest sense to ____.
    Show answerHealthy reproductive organs with normal functions.
2

“India was among the first countries in the world to start national action plans for reproductive health; these 'family planning' programmes were begun in 1951.”

🧒 Explain like I’m 10

Long ago, in 1951, India became one of the very first countries to make official government plans to help families stay healthy and decide how many children to have. These were called 'family planning' programmes.

❓ 5 possible NEET questions
  1. In which year were family planning programmes initiated in India?
    Show answer1951.
  2. India was among the first countries to start programmes for ____ at the national level.
    Show answerTotal reproductive health.
  3. The early 'family planning' programmes are now run under which popular name?
    Show answerReproductive and Child Health Care (RCH) programmes.
  4. True/False: India was the first nation to start national-level reproductive-health action plans.
    Show answerTrue (NCERT summary states 'first nation').
  5. Family planning programmes were periodically ____ over the decades.
    Show answerAssessed / evaluated.
3

“Introducing sex education in schools is encouraged so the young get correct information and stop believing in myths and misconceptions.”

🧒 Explain like I’m 10

Schools teaching the right facts about the body helps children not believe in wrong rumours. When you know the truth, you don't get fooled by myths.

❓ 5 possible NEET questions
  1. Sex education in schools helps discourage children from believing in ____.
    Show answerMyths and misconceptions.
  2. Correct information about reproductive organs, adolescence, STDs and safe practices helps which age group most?
    Show answerAdolescents (the adolescent age group).
  3. Who, besides teachers, play a major role in spreading correct reproductive information?
    Show answerParents, close relatives and friends.
  4. Media used to create awareness includes audio-visual and ____ media.
    Show answerPrint media.
  5. Is sex education in schools recommended by NCERT? (Yes/No)
    Show answerYes – it should be encouraged.
4

“A statutory (legal) ban was placed on amniocentesis for sex-determination to check the rising menace of female foeticide.”

🧒 Explain like I’m 10

Amniocentesis is a test of the fluid around the baby in the womb. Some people misused it just to find out if the baby is a girl, and then ended the pregnancy. So the law banned using it to find out the baby's sex.

❓ 5 possible NEET questions
  1. Amniocentesis for ____ determination is legally banned in India.
    Show answerSex determination.
  2. Why is the ban on amniocentesis for sex-determination necessary?
    Show answerTo prevent female foeticide (illegal selective abortion of female foetuses).
  3. Amniocentesis analyses cells and dissolved substances from which fluid?
    Show answerAmniotic fluid of the developing foetus.
  4. Name two genetic disorders that amniocentesis can legally detect.
    Show answerDown syndrome, haemophilia, sickle-cell anaemia (any two).
  5. Amniocentesis is a foetal ____ test.
    Show answerSex/genetic-disorder diagnostic test (chromosomal/genetic).
5

“'Saheli', a once-a-week non-steroidal oral contraceptive for females, was developed by scientists at the Central Drug Research Institute (CDRI), Lucknow.”

🧒 Explain like I’m 10

Indian scientists in the city of Lucknow made a special weekly tablet for women called 'Saheli'. It is a 'once a week' pill with very few side effects.

❓ 5 possible NEET questions
  1. Saheli was developed by which institute?
    Show answerCentral Drug Research Institute (CDRI), Lucknow.
  2. Saheli is a ____ (steroidal/non-steroidal) preparation.
    Show answerNon-steroidal.
  3. How often is the Saheli pill taken?
    Show answerOnce a week.
  4. Saheli is an oral contraceptive meant for which sex?
    Show answerFemales.
  5. Saheli has few side effects and high ____ value.
    Show answerContraceptive value.
3.2

Population Stabilisation & Birth Control

6

“The world population was about 2 billion (2000 million) in 1900, rose to ~6 billion by 2000, and reached 7.2 billion in 2011.”

🧒 Explain like I’m 10

In the year 1900 there were 2 billion people on Earth. By 2000 it tripled to 6 billion, and by 2011 it was 7.2 billion. People are increasing very fast!

❓ 5 possible NEET questions
  1. World population in 1900 was approximately ____ ?
    Show answer2 billion (2000 million).
  2. World population reached ____ billion by 2000.
    Show answer6 billion.
  3. World population in 2011 was ____ billion.
    Show answer7.2 billion.
  4. The rapid rise in population is mainly due to a fall in death rate, MMR, IMR and a rise in ____.
    Show answerNumber of people in the reproducible age group.
  5. MMR and IMR stand for?
    Show answerMaternal Mortality Rate and Infant Mortality Rate.
7

“India's population was about 350 million at independence, reached close to 1 billion by 2000, and crossed 1.2 billion in May 2011.”

🧒 Explain like I’m 10

When India became free, there were about 350 million people. By 2000 it was almost 1 billion (a hundred crore), and by May 2011 it crossed 1.2 billion.

❓ 5 possible NEET questions
  1. India's population at the time of independence was about ____ ?
    Show answer350 million.
  2. India's population crossed ____ billion in May 2011.
    Show answer1.2 billion.
  3. As per the 2011 census, India's population growth rate was less than ____ percent.
    Show answer2 per cent (20/1000/year).
  4. A growth rate of 20/1000/year means how many per 1000 people per year?
    Show answer20 per 1000 per year.
  5. The chief reason the government had to act was the alarming ____ rate.
    Show answerPopulation growth rate.
8

“To slow growth, the marriageable age was legally raised to 18 years for females and 21 years for males; the slogan 'Hum Do Hamare Do' and a 'one-child norm' adopted by many young, urban couples, plus incentives for small families, are other measures.”

🧒 Explain like I’m 10

The government made a rule: girls can marry only at 18 and boys at 21. They also used a famous slogan 'Hum Do Hamare Do' (we two, our two), and many young city couples even chose to have just ONE child. Couples with small families also get rewards/incentives.

❓ 5 possible NEET questions
  1. Legal marriageable age for females in India is ____ years.
    Show answer18 years.
  2. Legal marriageable age for males in India is ____ years.
    Show answer21 years.
  3. The slogan 'Hum Do Hamare Do' encourages ____.
    Show answerSmall families (two children).
  4. Which 'norm' has been adopted mostly by young, urban, working couples?
    Show answerThe one-child norm.
  5. Incentives to couples with small families is a measure under ____.
    Show answerPopulation stabilisation / birth control.
9

“An ideal contraceptive should be user-friendly, easily available, effective, reversible, with no or least side-effects, and should not interfere with sexual drive or the sexual act.”

🧒 Explain like I’m 10

A good 'no-baby' method should be easy to use, easy to get, work well, be undoable later, cause little harm, and not spoil the couple's normal married life.

❓ 5 possible NEET questions
  1. List two qualities of an ideal contraceptive.
    Show answerUser-friendly, easily available, effective, reversible, least side-effects (any two).
  2. An ideal contraceptive should be reversible – what does this mean?
    Show answerIts effect can be undone so fertility returns.
  3. An ideal contraceptive should not interfere with the user's ____.
    Show answerSexual drive, desire and the sexual act.
  4. True/False: An ideal contraceptive should have many side effects.
    Show answerFalse – it should have no or least side-effects.
  5. Name the seven broad categories of contraceptives.
    Show answerNatural/Traditional, Barrier, IUDs, Oral, Injectables, Implants, Surgical.
10

“Natural methods work on the principle of avoiding the meeting of ovum and sperm. Periodic abstinence avoids coitus from day 10 to 17 of the cycle (the fertile period when ovulation is expected).”

🧒 Explain like I’m 10

Natural methods simply try to keep the egg and the sperm from meeting. In 'periodic abstinence' the couple avoids physical relations during days 10–17 of the monthly cycle, because that is when the egg is released and a baby could start.

❓ 5 possible NEET questions
  1. Natural methods are based on avoiding the meeting of ____ and ____.
    Show answerOvum and sperm.
  2. In periodic abstinence, coitus is avoided from day ____ to ____ of the cycle.
    Show answerDay 10 to day 17.
  3. Days 10–17 of the cycle are called the ____ period.
    Show answerFertile period.
  4. Why is coitus avoided during days 10–17?
    Show answerBecause ovulation (and hence chance of fertilisation) is highest.
  5. Do natural methods have side effects? Why?
    Show answerAlmost nil – no medicines or devices are used.
11

“Withdrawal (coitus interruptus) means the male withdraws his penis before ejaculation to avoid insemination; Lactational amenorrhea uses the absence of menstruation/ovulation during intense breast-feeding.”

🧒 Explain like I’m 10

In 'withdrawal' the man pulls out before releasing sperm. In 'lactational amenorrhea' a mother who is fully breast-feeding usually does not get her period or release an egg, so a baby is unlikely – but only for a short while.

❓ 5 possible NEET questions
  1. Coitus interruptus is also known as ____.
    Show answerWithdrawal method.
  2. Lactational amenorrhea is based on absence of ____ during intense breast-feeding.
    Show answerOvulation / menstruation.
  3. Up to how many months after childbirth is lactational amenorrhea effective?
    Show answerMaximum six months following parturition.
  4. Which natural method relies on full breast-feeding?
    Show answerLactational amenorrhea method.
  5. Lactational amenorrhea works only as long as the mother ____.
    Show answerFully breast-feeds the child.
12

“In barrier methods the ovum and sperm are kept from physically meeting using barriers. Condoms (e.g., 'Nirodh') are thin rubber/latex sheaths; they also protect against STIs and AIDS.”

Figure 3.1(a) Condom for male
Figure 3.1(a) Condom for male
Figure 3.1(b) Condom for female
Figure 3.1(b) Condom for female
🧒 Explain like I’m 10

Barrier methods put a wall between the egg and the sperm. A condom is a thin rubber cover. A bonus is that it also protects from infections like AIDS.

❓ 5 possible NEET questions
  1. Condoms are made of thin ____ / latex.
    Show answerRubber.
  2. 'Nirodh' is a popular brand of ____.
    Show answerCondom for the male.
  3. Apart from contraception, condoms protect the user from ____.
    Show answerSTIs and AIDS.
  4. Barrier methods prevent the physical meeting of ____ and ____.
    Show answerOvum and sperm.
  5. Are male and female condoms reusable or disposable?
    Show answerDisposable; they can be self-inserted, giving privacy.
13

“Diaphragms, cervical caps and vaults are reusable rubber barriers inserted to cover the cervix during coitus; spermicidal creams, jellies and foams are used along with them to raise efficiency.”

🧒 Explain like I’m 10

These are little rubber caps placed inside to cover the opening of the womb (cervix) so sperm cannot pass. Special sperm-killing creams are added to make them work even better.

❓ 5 possible NEET questions
  1. Diaphragms, cervical caps and vaults cover which part?
    Show answerThe cervix.
  2. Diaphragms and cervical caps are made of ____.
    Show answerRubber.
  3. Are diaphragms reusable or disposable?
    Show answerReusable.
  4. Spermicidal creams, jellies and foams are used to increase ____ efficiency.
    Show answerContraceptive efficiency.
  5. How do diaphragms/caps prevent conception?
    Show answerBy blocking entry of sperm through the cervix.
14

“Intra Uterine Devices (IUDs) are inserted in the uterus by doctors/nurses. Types: non-medicated (Lippes loop), copper-releasing (CuT, Cu7, Multiload 375) and hormone-releasing (Progestasert, LNG-20).”

Figure 3.2 Copper T (CuT)
Figure 3.2 Copper T (CuT)
🧒 Explain like I’m 10

An IUD is a small device a doctor places inside the womb. Some are plain, some release copper, and some release hormones – all to stop a baby from forming.

❓ 5 possible NEET questions
  1. IUDs are inserted into the ____ through the vagina.
    Show answerUterus.
  2. Give one example of a copper-releasing IUD.
    Show answerCuT / Cu7 / Multiload 375.
  3. Lippes loop is an example of which IUD type?
    Show answerNon-medicated IUD.
  4. Name a hormone-releasing IUD.
    Show answerProgestasert or LNG-20.
  5. Who inserts an IUD?
    Show answerDoctors or expert nurses.
15

“IUDs increase phagocytosis of sperms in the uterus; Cu ions suppress sperm motility and fertilising capacity; hormone-releasing IUDs make the uterus unsuitable for implantation and the cervix hostile to sperms.”

🧒 Explain like I’m 10

IUDs make the womb 'eat up' sperms (phagocytosis). Copper weakens the sperms so they can't swim well. Hormone ones also make the womb a bad place for a baby to attach.

❓ 5 possible NEET questions
  1. IUDs increase ____ of sperms within the uterus.
    Show answerPhagocytosis.
  2. Cu ions released by copper IUDs suppress sperm ____ and fertilising capacity.
    Show answerMotility.
  3. Hormone-releasing IUDs make the uterus unsuitable for ____.
    Show answerImplantation.
  4. Hormone IUDs make the cervix ____ to sperms.
    Show answerHostile.
  5. IUDs are ideal for women who want to ____ or space children.
    Show answerDelay pregnancy.
16

“Oral pills contain progestogen or progestogen–estrogen; taken daily for 21 days starting within the first 5 days of the cycle, with a 7-day gap. They inhibit ovulation and implantation and alter cervical mucus.”

🧒 Explain like I’m 10

The 'pill' is a daily tablet of hormones taken for 21 days then a 7-day break. It stops the egg from being released and makes it hard for sperm to get through.

❓ 5 possible NEET questions
  1. Oral pills are taken daily for how many days?
    Show answer21 days.
  2. Pills should be started within the first ____ days of the menstrual cycle.
    Show answerFive days.
  3. The gap between pill courses is ____ days.
    Show answer7 days (during which menstruation occurs).
  4. Oral pills inhibit ovulation and ____.
    Show answerImplantation.
  5. Pills alter the quality of ____ to retard sperm entry.
    Show answerCervical mucus.
17

“Progestogens (alone or with estrogen) can be given as injectables or implants under the skin; their action is like pills but lasts much longer.”

Figure 3.3 Implants
Figure 3.3 Implants
🧒 Explain like I’m 10

Instead of a daily tablet, the same hormones can be given as an injection or a tiny rod placed under the skin. These work the same way but last much longer.

❓ 5 possible NEET questions
  1. Injectables and implants contain ____ (alone or with estrogen).
    Show answerProgestogens.
  2. Where are implants placed?
    Show answerUnder the skin.
  3. How do injectables/implants compare with pills in duration?
    Show answerTheir effective period is much longer.
  4. Their mode of action is similar to that of ____.
    Show answerPills.
  5. Implants are an example of a ____ contraceptive (long/short acting).
    Show answerLong-acting.
18

“Administration of progestogen / progestogen-estrogen or IUDs within 72 hours of coitus is very effective as emergency contraception (e.g., after rape or unprotected intercourse).”

🧒 Explain like I’m 10

If something went wrong, taking these hormones or putting in an IUD within 72 hours (3 days) can still prevent a pregnancy. This is the 'emergency' method.

❓ 5 possible NEET questions
  1. Emergency contraceptives must be used within ____ hours of coitus.
    Show answer72 hours.
  2. Name a device that can be used as emergency contraception.
    Show answerIUDs.
  3. Emergency contraception can avoid pregnancy due to ____ or casual unprotected intercourse.
    Show answerRape.
  4. 72 hours equals how many days?
    Show answer3 days.
  5. Hormones used for emergency contraception are ____ / progestogen-estrogen.
    Show answerProgestogen.
19

“Surgical methods (sterilisation) are terminal: 'vasectomy' in the male removes/ties a part of the vas deferens via a scrotal incision; 'tubectomy' in the female removes/ties a part of the fallopian tube. Highly effective but poorly reversible.”

Figure 3.4(a) Vasectomy
Figure 3.4(a) Vasectomy
Figure 3.4(b) Tubectomy
Figure 3.4(b) Tubectomy
🧒 Explain like I’m 10

Surgery can permanently stop babies. In a man (vasectomy) the tube carrying sperm (vas deferens) is cut; in a woman (tubectomy) the tube carrying the egg (fallopian tube) is cut. Very effective, but very hard to undo.

❓ 5 possible NEET questions
  1. Sterilisation in the male is called ____.
    Show answerVasectomy.
  2. Sterilisation in the female is called ____.
    Show answerTubectomy.
  3. In vasectomy, which duct is cut/tied?
    Show answerVas deferens.
  4. In tubectomy, which tube is cut/tied?
    Show answerFallopian tube.
  5. Why are sterilisation methods called 'terminal'?
    Show answerThey are highly effective but their reversibility is very poor.
20

“Contraceptives are not regular requirements for reproductive health; they are used against a natural event (conception) to prevent, delay or space pregnancy, and may have ill-effects like nausea, abdominal pain or irregular bleeding.”

🧒 Explain like I’m 10

We don't NEED contraceptives to be healthy – they go against the natural process of making a baby. People use them by choice, and they can have small side effects.

❓ 5 possible NEET questions
  1. Are contraceptives a regular requirement for reproductive health? (Yes/No)
    Show answerNo.
  2. Contraceptives are practised against which natural event?
    Show answerConception / pregnancy.
  3. Name one possible ill-effect of contraceptives.
    Show answerNausea, abdominal pain, breakthrough/irregular bleeding, or (rarely) breast cancer.
  4. Selection and use of a contraceptive should be done in consultation with ____.
    Show answerQualified medical professionals.
  5. People use contraceptives to prevent, delay or ____ pregnancy.
    Show answerSpace.
3.3

Medical Termination of Pregnancy (MTP)

21

“MTP (induced abortion) is the intentional/voluntary termination of pregnancy before full term. About 45–50 million MTPs occur per year worldwide – about 1/5th of all conceived pregnancies.”

🧒 Explain like I’m 10

MTP means ending a pregnancy on purpose before the baby is fully grown. Around the world, 45–50 million such cases happen every year.

❓ 5 possible NEET questions
  1. MTP stands for ____.
    Show answerMedical Termination of Pregnancy.
  2. MTP is also called ____.
    Show answerInduced abortion.
  3. How many MTPs occur worldwide per year?
    Show answer45–50 million.
  4. MTPs account for what fraction of total conceived pregnancies per year?
    Show answer1/5th (one-fifth).
  5. MTP is the ____ termination of pregnancy before full term.
    Show answerIntentional / voluntary.
22

“Government of India legalised MTP in 1971 with strict conditions to prevent misuse, especially to check illegal female foeticide. MTPs are relatively safe in the first trimester (up to 12 weeks).”

🧒 Explain like I’m 10

India made MTP legal in 1971, but with strict rules so it is not misused (for example, to abort girl babies). It is safest in the first 12 weeks.

❓ 5 possible NEET questions
  1. MTP was legalised in India in which year?
    Show answer1971.
  2. MTP is relatively safe up to how many weeks?
    Show answer12 weeks (first trimester).
  3. Second trimester abortions are ____ (safer/riskier) than first trimester.
    Show answerRiskier.
  4. Strict MTP conditions help check illegal ____.
    Show answerFemale foeticide.
  5. The MTP (Amendment) Act was enacted in which year?
    Show answer2017.
3.4

Sexually Transmitted Infections (STIs)

23

“STIs (also called VD or RTI) are transmitted through sexual intercourse. Examples: gonorrhoea, syphilis, genital herpes, chlamydiasis, genital warts, trichomoniasis, hepatitis-B and HIV (→ AIDS).”

🧒 Explain like I’m 10

STIs are infections that spread through physical relations. Some examples are gonorrhoea, syphilis, herpes and HIV (which causes AIDS).

❓ 5 possible NEET questions
  1. STI, VD and RTI – expand these terms.
    Show answerSexually Transmitted Infection, Venereal Disease, Reproductive Tract Infection.
  2. Name two STIs other than HIV.
    Show answerGonorrhoea, syphilis, genital herpes, chlamydiasis, genital warts, trichomoniasis, hepatitis-B (any two).
  3. Which STI is the most dangerous and leads to AIDS?
    Show answerHIV.
  4. HIV/AIDS is discussed in detail in which chapter?
    Show answerChapter 7.
  5. Hepatitis-B and HIV can also spread by sharing ____.
    Show answerInjection needles / surgical instruments / infected blood.
24

“Most STIs are curable if detected early; exceptions are hepatitis-B, genital herpes and HIV. STIs are highest among the 15–24 age group. Prevention: avoid unknown/multiple partners, use condoms, and consult a doctor early.”

🧒 Explain like I’m 10

Most of these infections can be cured if found early. A few cannot be fully cured. They are most common in young people aged 15–24. To stay safe: avoid unknown partners, use condoms, and see a doctor early.

❓ 5 possible NEET questions
  1. Which three STIs are NOT completely curable?
    Show answerHepatitis-B, genital herpes and HIV.
  2. STIs are reported highest in which age group?
    Show answer15–24 years.
  3. Name one preventive measure against STIs.
    Show answerAvoid unknown/multiple partners, use condoms, early diagnosis & treatment.
  4. Untreated STIs may cause PID, infertility, ectopic pregnancy or cancer of the ____.
    Show answerReproductive tract.
  5. Infected females are often ____ (showing no symptoms), so STIs go undetected.
    Show answerAsymptomatic.
3.5

Infertility & Assisted Reproductive Technologies (ART)

25

“Infertility is the inability to conceive/produce children even after 2 years of unprotected cohabitation. Causes may be physical, congenital, disease, drug-related, immunological or psychological – and often the problem lies with the male.”

🧒 Explain like I’m 10

If a couple cannot have a baby even after 2 years of trying naturally, that is called infertility. It can be due to many reasons – and quite often the issue is with the man, not only the woman.

❓ 5 possible NEET questions
  1. Infertility is inability to produce children after how many years of unprotected cohabitation?
    Show answer2 years.
  2. Name two possible causes of infertility.
    Show answerPhysical, congenital, disease, drugs, immunological, psychological (any two).
  3. In India the female is often blamed, but the problem often lies with the ____.
    Show answerMale partner.
  4. True/False: Infertility is always due to defects in the female partner.
    Show answerFalse.
  5. Special techniques to help infertile couples are collectively called ____.
    Show answerAssisted Reproductive Technologies (ART).
26

“ART includes IVF (test-tube baby) with embryo transfer: zygote/early embryo (≤8 blastomeres) → ZIFT (fallopian tube); embryo >8 blastomeres → IUT (uterus). Also GIFT, ICSI, AI and IUI.”

🧒 Explain like I’m 10

When couples cannot have a baby naturally, doctors can join the egg and sperm in the lab (IVF / 'test-tube baby') and then place the tiny embryo back. There are several such helper methods with short names like ZIFT, IUT, GIFT, ICSI, AI and IUI.

❓ 5 possible NEET questions
  1. IVF stands for ____.
    Show answerIn Vitro Fertilisation.
  2. In ZIFT, the zygote/early embryo (≤8 blastomeres) is transferred into the ____.
    Show answerFallopian tube.
  3. An embryo with more than 8 blastomeres is transferred into the uterus – this is called ____.
    Show answerIUT (Intra Uterine Transfer).
  4. ICSI involves directly injecting a ____ into the ovum.
    Show answerSperm.
  5. GIFT stands for ____.
    Show answerGamete Intra Fallopian Transfer.
27

“In ICSI a sperm is directly injected into the ovum; AI/IUI introduces semen (from husband/donor) into the vagina or uterus to treat low sperm count. The best option for many couples in India is legal adoption.”

🧒 Explain like I’m 10

ICSI puts a single sperm straight into the egg. AI/IUI places the husband's or donor's semen inside the woman. And since the goal is to have a child, adopting an orphan child is one of the best options too.

❓ 5 possible NEET questions
  1. AI stands for ____ insemination.
    Show answerArtificial.
  2. IUI means semen is introduced into the ____.
    Show answerUterus (Intra-Uterine Insemination).
  3. AI/IUI is used to treat which problem?
    Show answerInability to inseminate / very low sperm count.
  4. Test-tube baby programme is the popular name for ____ followed by embryo transfer.
    Show answerIVF.
  5. Which legal option does NCERT suggest as one of the best for parenthood?
    Show answerAdoption.
⚠

Exceptions to Remember

🧪

Scientists / Institutions

CDRI, Lucknow (Central Drug Research Institute)

Developed 'Saheli', the non-steroidal once-a-week oral contraceptive for females.

World Health Organisation (WHO)

Gave the broad definition of reproductive health (total well-being – physical, emotional, behavioural, social).

Government of India

Legalised MTP in 1971; enacted the MTP (Amendment) Act, 2017; raised marriageable age (F-18, M-21); started family planning (1951) / RCH programmes.

📌

Examples Given in the Chapter

ExampleBelongs to / Category
Periodic abstinenceNatural method – avoid coitus on days 10–17 of the cycle.
Withdrawal / Coitus interruptusNatural method.
Lactational amenorrheaNatural method (effective ≤ 6 months post-partum).
Condoms ('Nirodh'), Diaphragms, Cervical caps, VaultsBarrier methods.
Lippes loopNon-medicated IUD.
CuT, Cu7, Multiload 375Copper-releasing IUDs.
Progestasert, LNG-20Hormone-releasing IUDs.
SaheliNon-steroidal oral pill (once a week).
Vasectomy / TubectomySurgical (terminal) methods.
IVF, ZIFT, IUT, GIFT, ICSI, AI, IUIAssisted Reproductive Technologies (ART).
Gonorrhoea, syphilis, genital herpes, chlamydiasis, genital warts, trichomoniasis, hepatitis-B, HIVCommon STIs.
Down syndrome, haemophilia, sickle-cell anaemiaDisorders detectable by amniocentesis.
📝

NCERT Textbook Exercises – Explained & Answered

Q1What is the significance of reproductive health in a society?

🧒 What it’s really asking

The question is asking: why does it even matter that people stay 'reproductively healthy'?

Show answer
It builds a society of people with normally working reproductive organs and healthy emotions/behaviour. It lowers maternal & infant deaths, controls population, checks sex-abuse and STDs, and ensures small, healthy, socially-responsible families.

Q2Which aspects of reproductive health need special attention today?

🧒 What it’s really asking

Which parts of this topic should we focus on the most right now?

Show answer
Sex education & awareness, controlling population growth, banning sex-determination/female foeticide, child immunisation, care of STIs/AIDS, infertility help, and care of pregnant mothers and newborns.

Q3Is sex education necessary in schools? Why?

🧒 What it’s really asking

Should schools teach kids about the body and reproduction? Why or why not?

Show answer
Yes. It gives the young correct information about reproductive organs, adolescence, safe practices, STDs and AIDS, and stops them from believing in myths and misconceptions.

Q4Has reproductive health in India improved in the past 50 years? Mention areas.

🧒 What it’s really asking

Have things got better over the last 50 years? Give examples.

Show answer
Yes. Better awareness, more medically-assisted deliveries, better post-natal care, lower maternal & infant mortality (MMR & IMR), more small families, and better detection/cure of STDs.

Q5What are the suggested reasons for population explosion?

🧒 What it’s really asking

Why did the number of people grow so fast?

Show answer
A rapid fall in death rate, maternal mortality rate (MMR) and infant mortality rate (IMR), plus a rise in the number of people of reproducible (child-bearing) age, along with better health facilities and living conditions.

Q6Is the use of contraceptives justified? Give reasons.

🧒 What it’s really asking

Is it 'OK' to use no-baby methods? Why might someone need them?

Show answer
Yes, in a way. They are not a regular need for health, but they are justified to check the explosive population growth and to let couples prevent, delay or space pregnancies for personal reasons.

Q7Removal of gonads cannot be considered a contraceptive option. Why?

🧒 What it’s really asking

Gonads = testes/ovaries. Why can't we just remove them to stop babies?

Show answer
Because gonads also make the sex hormones and gametes needed for a normal body and reproductive health. Removing them is irreversible mutilation and destroys hormone balance — so it's not a contraceptive, which should be safe and reversible.

Q8Amniocentesis for sex-determination is banned. Is this ban necessary? Comment.

🧒 What it’s really asking

Should the law stop people using the womb-fluid test just to find the baby's sex?

Show answer
Yes, the ban is necessary. People misused this test to find female foetuses and abort them (female foeticide). The ban protects the girl child and keeps the male-female ratio balanced. The test is still allowed for detecting genetic disorders.

Q9Suggest some methods to assist infertile couples to have children.

🧒 What it’s really asking

What can doctors do to help couples who can't have a baby naturally?

Show answer
Assisted Reproductive Technologies (ART): IVF (test-tube baby) with embryo transfer (ZIFT / IUT), GIFT, ICSI, artificial insemination (AI / IUI). And legal adoption is also a good option.

Q10What measures should one take to prevent contracting STDs?

🧒 What it’s really asking

How can a person avoid catching sexually transmitted diseases?

Show answer
Avoid sex with unknown or multiple partners, always use condoms during coitus, and in case of doubt go to a qualified doctor early for detection and complete treatment.

Q11State True/False with explanation: (a) Abortions can happen spontaneously. (b) Infertility is always due to defects in the female. (c) Complete lactation can be a natural contraceptive. (d) Awareness about sex-related aspects improves reproductive health.

🧒 What it’s really asking

Decide which of these four statements are correct, and say why.

Show answer
(a) TRUE — natural/spontaneous abortions (miscarriages) do occur. (b) FALSE — the defect can be in the male too. (c) TRUE — lactational amenorrhea works up to ~6 months. (d) TRUE — awareness is a key first step to reproductive health.

Q12Correct these statements: (a) Surgical methods prevent gamete formation. (b) All STDs are completely curable. (c) Oral pills are very popular among rural women. (d) In ET techniques, embryos are always transferred into the uterus.

🧒 What it’s really asking

Each sentence has a mistake — fix it.

Show answer
(a) Surgical methods block gamete TRANSPORT, not formation. (b) NOT all STDs are curable — hepatitis-B, genital herpes and HIV are not fully curable. (c) Oral pills are NOT especially popular among rural women. (d) Embryos with ≤8 blastomeres go to the fallopian tube (ZIFT); only >8-blastomere embryos go to the uterus (IUT).
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High-Yield Points (Last-Minute Revision)

  1. WHO definition: reproductive health = total well-being in physical, emotional, behavioural, social aspects.
  2. Family planning in India started in 1951; now run as RCH programmes. India = among the first nations.
  3. World population: 2 bn (1900) → 6 bn (2000) → 7.2 bn (2011). India: 350 mn (independence) → 1.2 bn (May 2011).
  4. Marriageable age: Female 18, Male 21. Slogan: Hum Do Hamare Do.
  5. 7 contraceptive categories: Natural, Barrier, IUDs, Oral pills, Injectables, Implants, Surgical.
  6. Fertile period (periodic abstinence) = day 10–17 of cycle.
  7. Copper IUDs → Cu ions ↓ sperm motility + ↑ phagocytosis; Hormonal IUDs → uterus unsuitable for implantation + cervix hostile.
  8. Oral pills: 21 days, start in first 5 days, 7-day gap; inhibit ovulation & implantation, alter cervical mucus.
  9. Emergency contraception: within 72 hours of coitus.
  10. Vasectomy = vas deferens (male); Tubectomy = fallopian tube (female). Block transport, NOT formation.
  11. MTP legalised 1971; safe ≤ 12 weeks; 45–50 million/yr worldwide = 1/5th of pregnancies; Amendment Act 2017.
  12. Amniocentesis sex-determination is banned (to stop female foeticide).
  13. STIs highest in 15–24 yrs; NOT fully curable: hepatitis-B, genital herpes, HIV.
  14. Infertility = no child after 2 years unprotected cohabitation; often the male is the cause.
  15. ART: ZIFT (≤8 blastomeres → fallopian tube), IUT (>8 → uterus), GIFT, ICSI, IVF/test-tube baby, AI/IUI.
  16. 'Saheli' (CDRI Lucknow) = non-steroidal, once-a-week female pill.
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