AIIMS2009ZoologyReproductive Health
Contraceptive oral pills help in birth control by
Options
- Akilling the sperms in uterus
- Bpreventing implantation
- Cpreventing ovulation
- Dboth (b) and (c).
Correct answer
D. both (b) and (c).
Step-by-step solution
Oral contraceptive pills inhibit ovulation and implantation. They have to be taken daily for 21 days starting within the first five days of menstrual cycle. After a gap of 7 days, it has to be repeated.