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NEET2011ZoologyHuman ReproductionActual

About which day in a normal human menstrual cycle does rapid secretion of LH (popularly called LH surge) normally occurs?

Options

  1. A14^ th day
  2. B20^ th day
  3. C5^ th day
  4. D11^ th day

Correct answer

A. 14^ th day

Step-by-step solution

Rapid secretion of LH leading to its maximum level during the mid-cycle, i e , about the 14^ th day of menstrual cycle, popularly called LH surge induces rupture of Graafian follicle and thereby the release of ovum (ovulation).

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