Secondary amenorrhea is when a woman who has had normal menstrual cycles stops getting her monthly period for
3 or more months.
Causes of secondary amenorrhea
include stress and anxiety, malnutrition, depression, overexercising, sudden weight loss or gain (obesity),thyroid disorders and hormonal imbalance due to polycystic ovarian syndrome(PCOS).Smoking is also associated with secondary amenorrhea. Sometimes tumors of the ovaries and brain may also cause absence of menstruation.