Q. Why the fusion of sperm and ova do not occur during pregnancy?
A) High levels of oestrogen and progesterone maintained by corpus luteum or placenta during pregnancy inhibit the secretion of gonadotropin and ovulation
B) Woman cannot intercourse during pregnancy
C) High level of $HCl$ kill the releasing ovum
D) The ova releasing during pregnancy is abnormal
Explanation
The correct answer is Option A: High levels of oestrogen and progesterone maintained by corpus luteum or placenta during pregnancy inhibit the secretion of gonadotropin and ovulation.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.