Gynaecology & Obstetrics Physiology & Histology 10f8c0e8 Ovulation occurs: A Before LH surge B After biphasic rise in body temperature C After ripening of follicle by FSH D Before estrogen peak High-Yield Explanation Ans. is c, i.e. After ripening of follicle by FSHThe question is very simple as ovulation occurs after LH surge and estrogen peak and because of ovulation there is biphasic rise in temperature.