NEETZoologyHuman Reproduction
When does the LH surge occur during the menstrual cycle?
Options
- AAt the beginning of the follicular phase
- BAt the end of the luteal phase
- CIn the middle of the cycle
- DAt the end of the menstrual phase
Correct answer
C. In the middle of the cycle
Step-by-step solution
Both LH and FSH attain a peak level in the middle of cycle (about 14th day). Rapid secretion of LH leading to its maximum level during the mid-cycle called LH surge induces rupture of Graafian follicle and thereby the release of ovum (ovulation). The ovulation (ovulatory phase) is followed by the luteal phase during which the remaining parts of the Graafian follicle transform as the corpus luteum