Lack of menstruation is caused due to
Stress
Poor health
Pregnancy
All correct
Cessation of menstrual cycle in the human female is known as
Mention the importance of $LH$ surge during menstrual cycle.
What is called menstrual cycle ? Describe its phases ?
In the human female, menstruation can be deferred by the administration of
The main function of mammalian corpus luteum is to produce