About which day in a normal human menstrual cycle does rapid secretion of LH (popularly called LH surge)…
About which day in a normal human menstrual cycle does rapid secretion of LH (popularly called LH surge) normally occurs?
$14^{\text {th }}$ day
$20^{\text {th }}$ day
$5^{\text {th }}$ day
$11^{\text {th }}$ day
Solution
Rapid secretion of LH leading to its maximum level during the mid-cycle, $i e$, about the $14^{\text {th }}$ day of menstrual cycle, popularly called LH surge induces rupture of Graafian follicle and thereby the release of ovum (ovulation).