Chemical Coordination and Regulation Question 46

46. Progesterone, the component of the oral contraceptive pills, prevents pregnancy by [2000]

(a) preventing the cleavage of the fertilized egg

(b) preventing the formation of ova

(c) blocking ovulation

(d) creating unfavourable chemical environment for the sperms to survive in the female reproductive tract

Show Answer

Answer : c

Hints & Solutions

(c) Contraceptive pills have estrogen and progesterone. Progesterone suppresses ovulation and production of $LH$ while estrogen suppresses the production of FSH.