If after ovulation no pregnancy results, the corpus luteum

  • A

    Is maintained by the presence of progesterone

  • B

    Degenerates in a short time

  • C

    Becomes active and secretes lot of $FSH$ and $LH$

  • D

    Produces lot of oxytocin and relaxin

Similar Questions

Why are menstrual cycles absent during pregnancy ?

When the ovulation is expected in a normal menstrual cycle?

Match the items given in the Column $I$ with those in Column $II$ and select the correct option given below:

Column $I$

Column  $II$

$(a)$ Proliferative Phase

$(i)$ Breakdown of endometrical lining

$(b)$Secretory Phase

$(ii)$ Follicular phase

$(c)$ Menstruation

$(iii)$ Luteal Phase

  • [NEET 2018]

Which one of the following statements is incorrect about menstruation?

  • [AIPMT 2008]

Ovulation does not occur during pregnancy in the human female because