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

  • [AIPMT 2011]
  • A

    $14^{th}$ day

  • B

    $20^{th}$ day

  • C

    $5^{th}$ day

  • D

    $11^{th}$ day

Similar Questions

During menstruation the level of progesterone in blood is

Corpus luteum in pregnancy has a long life. However, if fertilisation does not take place, it remains active only for $10-12$ days. Explain.

Corpus luteum is formed in

In girl, the first menstruation begins at puberty and is called .....

Menstrual cycle occurs in