Question

Contraceptive oral pills help in birth control by

(a) killing the sperms in uterus

(b) preventing implantation

(c) preventing ovulation

(d) both (b) and (c).

Answer 1

Correct option (d) both (b) and (c).

Explanation :

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.