Secondary amenorrhea is when a woman who has had normal menstrual cycles stops getting her monthly period
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.