Which one among the following contraceptive, inhibits ovulation and implantation of female reproductive system?
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → Oral pills
Option (1) Oral pills — Correct. They contain progestogens or progestogen–estrogen combinations and are taken daily for 21 days.
Option (2) Lippes loop — Incorrect. It is a non-medicated IUD. It increases phagocytosis of sperms in the uterus; it does not stop ovulation.
Option (3) Condoms — Incorrect. A condom is a barrier that stops sperms from reaching the ovum; ovulation goes on as usual.
Option (4) Tubectomy — Incorrect. Tubectomy blocks the fallopian tubes surgically. Ovulation still happens, but the ovum cannot meet the sperm.
NCERT Extract:
Population Stabilisation and Birth Control – “… Oral administration of small doses of either progestogens or progestogen–estrogen combinations is another contraceptive method used by the females. They are used in the form of tablets and hence are popularly called the pills. Pills have to be taken daily for a period of 21 days starting preferably within the first five days of menstrual cycle. After a gap of 7 days (during which menstruation occurs) it has to be repeated in the same pattern till the female desires to prevent conception. They inhibit ovulation and implantation as well as alter the quality of cervical mucus to prevent/retard entry of sperms.”