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