Which one of the following is the most likely root cause why menstruation is not taking place in regularly cycling human female?

  • [AIPMT 2009]
  • A

    Maintenance of the hypertrophical endometrial lining

  • B

    Maintenance of high concentration of sex­ hormones in the blood stream

  • C

    Retention of well­developed corpus luteum

  • D

    Fertilisation of the ovum

Similar Questions

The following graph of relative concentrations of the four hormones present in the blood plasma of a woman during her menstrual cycle. Identify the hormones.

  • [AIIMS 2015]

Ovulation takes place in/on

What role does pituitary gonadotropins play during follicular and ovulatory phases of menstrual cycle ? Explain the shifts in steroidal secretions.

Menstruation cycle occurs

Ovulation in mammals is caused by

  • [AIIMS 1990]