Cessation of menstrual cycle in the human female is known as
Ovulation
Puberty
Menopause
Maturation
The placenta helps in the maintenance of pregnancy by secreting a hormone, known as
Ovulation takes place in/on
Which one of the following statements is incorrect about menstruation?
Menstruation cycle occurs
About which day in a normal human menstrual cycle does rapid secretion of $LH$ (popularly called $LH$ surge) normally occurs?