Reproductive Health

This is the third chapter of NCERT's Class 12 Biology textbook (pages 41–50 of the 2026-27 reprint), the last in Unit VI, Reproduction. It has five parts — reproductive health: problems and strategies (3.1), population stabilisation and birth control (3.2), medical termination of pregnancy (3.3), sexually transmitted infections (3.4) and infertility (3.5) — with Figures 3.1–3.4 (condoms, a Copper T, implants, vasectomy and tubectomy), a side box on the MTP law, a summary and 12 exercise questions. It is short and descriptive, with few numbers; this page has eight concept sections because the contraception part is split into three.

• Neighbouring chapters: the previous chapter, Human Reproduction, supplies the anatomy and the menstrual cycle that every method here acts on — read its sections on the fallopian tube, the cycle and implantation first. Chapter 7, Human Health and Disease, treats HIV/AIDS in detail. On this site, the Population chapters of geography and sociology cover the demographic side — growth, sex ratio and population policy.
• Prelims — science: UPSC has asked what a ‘test-tube baby’ means (1979, 1994), what amniocentesis is for (1988), which of GIFT, HIV, IVF and MAC is linked to AIDS (1991), what prompted the Prenatal Diagnostic Techniques Bill (1992), and whether India was the first country with a national family planning programme (2005).
• GS1, GS2 and GS3: population growth and population education (GS1), maternal and child health, the MTP, PCPNDT, ART and Surrogacy laws (GS2), and reproductive technology and its ethics (GS3). Laws and data beyond the book are marked Beyond NCERT.

• Reproductive health (WHO) = total well-being in all aspects of reproduction: physical, emotional, behavioural, social. India: family planning from 1951 (NCERT) → RCH programmes; awareness and sex education; statutory ban on amniocentesis for sex determination.
• Population (NCERT): world about 2 bn (1900) → about 6 bn (2000) → 7.2 bn (2011); India about 350 million (1947) → over 1.2 bn (2011). Causes: falling death rate, MMR and IMR, more people of reproductive age. Measures: small families (Hum Do Hamare Do), marriage age 18/21, incentives.
• Natural and barrier methods: periodic abstinence (days 10–17), withdrawal, lactational amenorrhea (up to 6 months); condoms (also protect against STIs), diaphragms, cervical caps, vaults, with spermicides.
• IUDs: non-medicated (Lippes loop), copper (CuT, Cu7, Multiload 375), hormonal (Progestasert, LNG-20). Pills: progestogen or progestogen–estrogen, 21 days + 7-day gap; Saheli (CDRI) non-steroidal, once a week. Injectables, implants; emergency contraception within 72 hours.
• Sterilisation: vasectomy (vas deferens) and tubectomy (fallopian tube) block gamete transport — highly effective, poorly reversible. MTP: legal since 1971; relatively safe in the first trimester (12 weeks).
• STIs: gonorrhoea, syphilis, genital herpes, chlamydiasis, genital warts, trichomoniasis, hepatitis-B, HIV; all but hepatitis-B, genital herpes and HIV are curable if treated early. Infertility → ART: IVF-ET (test-tube baby), ZIFT (≤8 blastomeres, tube), IUT (>8, uterus), GIFT, ICSI, AI/IUI; adoption.

In its narrow sense reproductive health means healthy reproductive organs that work normally. NCERT takes the broader view: quoting the World Health Organization, it defines reproductive health as total well-being in all aspects of reproduction — physical, emotional, behavioural and social. A reproductively healthy society is one whose people have physically and functionally normal reproductive organs and normal emotional and behavioural interactions in all sex-related matters.

India, NCERT says, was among the first countries to make total reproductive health a national goal, with programmes called ‘family planning’ begun in 1951; wider programmes now run as Reproductive and Child Health Care (RCH) programmes. Their main tasks are creating awareness and providing facilities and support. Awareness comes through audio-visual and print media, government and non-government agencies, parents, relatives, teachers and friends — and NCERT argues that sex education in schools should be encouraged so the young get correct information rather than myths: about reproductive organs, adolescence, safe and hygienic sexual practices, STIs and AIDS. Couples and people of marriageable age need information on birth control, care of pregnant mothers, post-natal care of mother and child, breastfeeding, and equal opportunities for male and female children; awareness is also needed about uncontrolled population growth and about sex abuse and sex-related crimes.

Services need strong infrastructure, professional expertise and material support for pregnancy, delivery, STIs, abortion, contraception, menstrual problems and infertility, plus new techniques over time. NCERT singles out two programmes: a statutory ban on amniocentesis for sex determination, to check the rising menace of female foeticide, and massive child immunisation. It also encourages research, citing Saheli, an oral contraceptive for women developed at the Central Drug Research Institute (CDRI), Lucknow.

How do we know reproductive health has improved? NCERT lists the indicators: better awareness of sex-related matters, more medically assisted deliveries and better post-natal care, and so lower maternal and infant mortality rates; more couples with small families; better detection and cure of STIs; and more medical facilities for all sex-related problems.

All-round development in the last century greatly improved quality of life, but better health facilities and living conditions had an ‘explosive’ effect on population growth. NCERT's figures: world population about 2 billion in 1900, about 6 billion by 2000 and 7.2 billion in 2011; India about 350 million at independence, close to a billion by 2000, and past 1.2 billion in May 2011. The probable reasons it gives are a rapid fall in the death rate, maternal mortality rate (MMR) and infant mortality rate (IMR), and an increase in the number of people of reproductive age.

Through the RCH programme the growth rate fell, but only marginally: by the 2011 census, NCERT says, it was less than 2 per cent a year — that is, 20 per 1,000 per year — still a rate at which the population could grow rapidly and strain even food, shelter and clothing. The most important response is to motivate smaller families through contraception, as in the slogan Hum Do Hamare Do (‘we two, our two’); many young urban working couples have adopted a one-child norm. Other measures: the statutory marriageable age of 18 for women and 21 for men, and incentives for couples with small families.

NCERT's ideal contraceptive is user-friendly, easily available, effective and reversible, with no or least side-effects, and does not interfere with sexual drive, desire or the sexual act. Methods fall into seven groups: natural/traditional, barrier, IUDs, oral contraceptives, injectables, implants and surgical methods — the next three sections take them in turn.

Natural methods work by avoiding the chance of ovum and sperm meeting. In periodic abstinence a couple avoids coitus from day 10 to day 17 of the menstrual cycle, when ovulation is expected; because the chance of fertilisation is very high then, this is the fertile period. In withdrawal (coitus interruptus) the male partner withdraws before ejaculation to avoid insemination. Lactational amenorrhea (absence of menstruation) relies on the fact that ovulation and the cycle do not occur during intense breastfeeding after childbirth; while the mother breastfeeds fully, the chance of conception is almost nil — but the method is reported to be effective only up to a maximum of six months after delivery. Natural methods use no medicines or devices, so side effects are almost nil; their failure rate is high.

Barrier methods, available for both men and women, physically prevent ovum and sperm from meeting. Condoms are thin rubber or latex sheaths that cover the penis, or line the vagina and cervix, just before coitus so that semen does not enter the female tract. ‘Nirodh’ is a popular brand of male condom. Condom use has grown because condoms also protect against STIs and AIDS; both male and female condoms are disposable, can be self-inserted and give privacy. Diaphragms, cervical caps and vaults are rubber barriers inserted in the female tract to cover the cervix during coitus, blocking sperm entry; they are reusable. Spermicidal creams, jellies and foams are usually used with them to increase efficiency.

Intra-uterine devices (IUDs) are inserted into the uterus through the vagina by doctors or expert nurses. They come as non-medicated IUDs (e.g. the Lippes loop), copper-releasing IUDs (CuT, Cu7, Multiload 375) and hormone-releasing IUDs (Progestasert, LNG-20). IUDs increase phagocytosis of sperms within the uterus; copper ions suppress sperm motility and fertilising capacity; hormone-releasing IUDs also make the uterus unsuitable for implantation and the cervix hostile to sperms. IUDs are ideal for women who want to delay or space pregnancies, and NCERT calls them one of the most widely accepted methods in India.

Oral pills contain small doses of progestogens or progestogen–estrogen combinations. They are taken daily for 21 days, starting preferably within the first five days of the menstrual cycle; after a 7-day gap, during which menstruation occurs, the pattern is repeated as long as contraception is wanted. Pills inhibit ovulation and implantation and alter the cervical mucus to prevent or slow sperm entry; NCERT calls them very effective, with fewer side effects, and well accepted. Saheli, the oral contraceptive from CDRI, is non-steroidal, taken once a week, with very few side effects and high contraceptive value.

Injectables and implants. Progestogens alone or with estrogen can also be given as injections or as implants under the skin; they act like pills but are effective for much longer. Emergency contraception: progestogens or progestogen–estrogen combinations, or an IUD, given within 72 hours of coitus are very effective in avoiding a possible pregnancy after rape or casual unprotected intercourse.

NCERT ends the contraception part with cautions: a method should always be chosen with qualified medical professionals; contraceptives are not regular requirements of reproductive health but are used against a natural event (conception) to prevent, delay or space pregnancy; and their possible ill-effects — nausea, abdominal pain, breakthrough bleeding, irregular menstrual bleeding or even breast cancer — though not very significant, should not be ignored.

Surgical methods, or sterilisation, are generally advised as a terminal method for a partner who wants no more pregnancies. Surgery blocks gamete transport and so prevents conception. In the male it is vasectomy: a small part of the vas deferens is removed or tied up through a small incision on the scrotum. In the female it is tubectomy: a small part of the fallopian tube is removed or tied up through a small incision in the abdomen or through the vagina. Both are highly effective, but their reversibility is very poor.

Intentional or voluntary termination of pregnancy before full term is medical termination of pregnancy (MTP) or induced abortion. NCERT says nearly 45 to 50 million MTPs are performed worldwide each year — about one-fifth of all pregnancies conceived (which implies roughly 225–250 million pregnancies a year; our arithmetic). Whether to accept or legalise MTP is debated in many countries on emotional, ethical, religious and social grounds. The Government of India legalised MTP in 1971 with strict conditions to prevent misuse — conditions all the more important, NCERT says, to check indiscriminate and illegal female foeticide.

Why MTP? To end unwanted pregnancies — after casual unprotected intercourse, contraceptive failure, or rape — and in cases where continuing the pregnancy could be harmful or even fatal to the mother, the foetus or both. MTPs are considered relatively safe in the first trimester (up to 12 weeks); second-trimester abortions are much riskier. NCERT notes two disturbing trends: most MTPs are performed illegally by unqualified people, which is unsafe and can be fatal; and amniocentesis is misused to find the sex of the foetus, followed by MTP if it is female — totally illegal. Its remedies: counselling on avoiding unprotected coitus and on the risks of illegal abortion, and more health-care facilities.

Infections or diseases transmitted through sexual intercourse are called sexually transmitted infections (STIs), venereal diseases (VD) or reproductive tract infections (RTI). NCERT names gonorrhoea, syphilis, genital herpes, chlamydiasis, genital warts, trichomoniasis, hepatitis-B and HIV, which leads to AIDS — the most dangerous, treated in Chapter 7. Some, like hepatitis-B and HIV, can also spread by sharing injection needles or surgical instruments, by blood transfusion, and from an infected mother to the foetus.

Except for hepatitis-B, genital herpes and HIV, these diseases are completely curable if detected early and treated properly. Early symptoms are minor — itching, fluid discharge, slight pain, swelling in the genital region — and infected women are often asymptomatic, so infections may go undetected for long. Mild early symptoms and the social stigma attached to STIs deter timely testing and treatment; later complications include pelvic inflammatory disease (PID), abortions, still births, ectopic pregnancies, infertility and even cancer of the reproductive tract. Incidence is reported to be very high in the 15–24 age group. Prevention is possible with three simple principles: avoid sex with unknown or multiple partners; always try to use condoms; and, in case of doubt, see a qualified doctor early and complete the treatment.

Many couples in India and worldwide are infertile — unable to have children despite unprotected sexual cohabitation (NCERT's Summary: for two years). The causes may be physical, congenital, disease, drugs, immunological or even psychological. NCERT stresses that in India the woman is often blamed, but more often than not the problem lies with the male partner. Infertility clinics can diagnose and correct some disorders; where correction is not possible, couples can be helped by assisted reproductive technologies (ART).

In vitro fertilisation followed by embryo transfer (IVF-ET) — popularly the test-tube baby programme — collects ova from the wife or a donor and sperms from the husband or a donor, and induces them to form a zygote under simulated conditions in the laboratory. The zygote or early embryo with up to 8 blastomeres can be transferred into the fallopian tube (ZIFT — zygote intra-fallopian transfer); embryos with more than 8 blastomeres go into the uterus (IUT — intra-uterine transfer). Embryos formed by in-vivo fertilisation (inside a woman) can also be transferred to help women who cannot conceive. In GIFT (gamete intra-fallopian transfer), as NCERT describes it, an ovum from a donor is placed in the fallopian tube of a woman who cannot produce one but can provide a suitable environment for fertilisation and development. In intra-cytoplasmic sperm injection (ICSI) a sperm is injected directly into the ovum in the laboratory.

Where infertility is due to the male partner's inability to inseminate or to a very low sperm count, artificial insemination (AI) introduces semen from the husband or a healthy donor into the vagina, or into the uterus (IUI — intra-uterine insemination). All these techniques need highly skilled professionals and expensive equipment, so they are available in few centres and affordable to few; emotional, religious and social factors also deter their use. NCERT closes by noting that India has many orphaned and destitute children and that legal adoption is one of the best routes to parenthood.

The chapter asks a few questions in italics inside the running text. Short outlines follow, in page order.

Try each question first, then open the outline. For opinion questions, give NCERT's reasons first, then a balanced line.

Numbers

One-liners

• Reproductive health = physical, emotional, behavioural and social well-being in reproduction (WHO).
• Amniocentesis tests foetal cells for genetic disorders; its use for sex determination is banned.
• Saheli, a weekly non-steroidal pill, was developed at CDRI, Lucknow.
• Population grew because death rate, MMR and IMR fell.
• Periodic abstinence avoids days 10–17 of the cycle.
• Condoms are the only contraceptives that also protect against STIs.
• Copper ions reduce sperm motility; hormonal IUDs also make the uterus unsuitable for implantation.
• Pills inhibit ovulation and implantation and alter cervical mucus.
• Vasectomy blocks the vas deferens; tubectomy blocks the fallopian tube.
• MTP was legalised in India in 1971; first-trimester MTP is relatively safe.
• Hepatitis-B, genital herpes and HIV are not completely curable.
• Untreated STIs can cause PID, ectopic pregnancy and infertility.
• Test-tube baby: fertilisation outside the body, development in the uterus.
• ZIFT: ≤8 blastomeres into the tube; IUT: >8 blastomeres into the uterus.
• ICSI injects a sperm into the ovum; IUI puts semen into the uterus.

Traps to avoid

• Amniocentesis is not banned as such — only its use for sex determination.
• Sterilisation blocks gamete transport; it does not stop gamete formation.
• Removal of gonads is not contraception — it also removes sex hormones.
• Not all STIs are curable: hepatitis-B, genital herpes and HIV are not.
• Embryos are not always transferred into the uterus: up to 8 blastomeres go into the tube (ZIFT).
• Infertility is not always the female's — NCERT says more often the male's.
• In a test-tube baby only fertilisation is outside the body.
• NCERT's MTP box says '2017 Amendment'; the amending Act is of 2021.
• Lactational amenorrhea works only with full breastfeeding and only up to 6 months.
• Saheli is non-steroidal and weekly; ordinary pills are steroidal and daily.
• NCERT's GIFT moves a donor ovum; standard GIFT places eggs and sperms in the tube.
• AIDS is viral, not bacterial like syphilis and gonorrhoea.

Prelims — what UPSC asks

• Technique definitions: what a test-tube baby means (1979, 1994) — fertilisation outside the body, development in the uterus; amniocentesis (1988); which of GIFT, HIV, IVF and MAC is associated with AIDS (1991) — the distractors GIFT and IVF are this chapter's ART terms. All follow from Sections 1 and 8.
• Law and policy: the Prenatal Diagnostic Techniques Bill was prompted by female foeticide (1992); India was the first, not the second, country to adopt a national family planning programme (2005, statement 1 false; key c).
• Key notes: 1988 ‘Amniocentesis is a method for’ — the stored key (a) ‘determination of foetal sex’ is the only workable option, but it names the misuse: the procedure's medical purpose is detecting chromosomal and genetic disorders, and its use for sex determination is banned. Treat the key as standing with that trap in mind. 1994 test-tube baby: option (a) ‘fertilisation inside the test-tube’ is the popular idea, but (c) ‘outside the mother's body’ is the precise answer and the key. 2005: NCERT's text says ‘amongst the first’, its Summary ‘the first nation’ — both consistent with statement 1 being false.
• Likely next: IUD types (copper vs hormonal), the pill regime, emergency contraception within 72 hours, curable vs non-curable STIs, ZIFT vs IUT vs GIFT vs ICSI, and the 2021 laws (MTP amendment, ART Act, Surrogacy Act) as current affairs.

Mains — where it appears and how to answer

• GS1 — UPSC Mains 2021 asked for the objectives of Population Education and measures to achieve them: this chapter supplies the reproductive-health content (awareness, sex education, informed contraceptive choice, small families, equal regard for girls), to be combined with the population chapters.
• Answer frame for reproductive-health questions: one line of biology (how a method or technique works) → the health or social problem (unsafe abortion, son preference, STI stigma, infertility costs) → the programme or law (RCH, MTP 2021, PCPNDT, ART and Surrogacy Acts) → positions on contested points, attributed → implementation gaps → balanced way forward.
• Use respectful, clinical language; a small sketch (where each contraceptive acts, or the ZIFT/IUT split) can carry a point quickly.

Tap an option. NCERT's own exercise questions come first; the rest test the figures and common confusions.

Open any question to attempt it in the Question bank — your attempt is saved to your progress.