Women who are pregnant, breastfeeding, or in menopause are not considered to have secondary amenorrhea.
Women who are taking birth control pills or receive hormone shots such as Depo-Provera may not have any monthly bleeding. When they stop taking these hormones, their periods may not return for more than 6 months.
You are more likely to have amenorrhea if you:
Are obese Exercise excessively and for long periods of time Have less than 15% - 17% body fat Have severe anxiety or emotional distress Lose a lot of weight suddenly (for example, with a strict diet or after gastric bypass surgery)
Other causes include:
Brain (pituitary) tumors Polycystic ovarian syndrome Premature ovarian failure Thyroid dysfunction
The following drugs may also cause missed periods:
Busulfan Chemotherapy drugs for cancer Chlorambucil Cyclophosphamide Phenothiazines
What causes Secondary amenorrhea?
Women who are pregnant, breastfeeding, or in menopause are not considered to have secondary amenorrhea.
Women who are taking birth control pills or receive hormone shots such as {{ORGANIZATION}} may not have any monthly bleeding. When they stop taking these hormones, their periods may not return for more than 6 months.
You are more likely to have amenorrhea if you:
Are obese Exercise excessively and for long periods of time Have less than 15% - 17% body fat Have severe anxiety or emotional distress {{NAME}} a lot of weight suddenly (for example, with a strict diet or after gastric bypass surgery)
Other causes include:
Brain (pituitary) tumors Polycystic ovarian syndrome Premature ovarian failure {{NAME}} dysfunction
The following drugs may also cause missed periods:
Busulfan Chemotherapy drugs for cancer {{ORGANIZATION}}