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A 21-year-old female asked:

I am experiencing missed or late menstrual period. the following also describes me: no menstrual periods. what should i do?

4 doctor answers5 doctors weighed in
Dr. Heidi Fowler
Psychiatry 26 years experience
See GYN: Reasons for missed /late periods: low body weight, obesity, marked weight gain or loss, over-exercise such as in endurance athletes, breast-feeding, stress, illness, eating disorders (bulimia or anorexia), travel, hormone irregularities, drug use, medications (i.e., birth control) or med problem (polycystic ovary syndrome or Asherman’s syndrome. #1 reason for missed period is pregnancy.
Dr. Edward Workman
Specializes in Pain Management
Irregular menses: Your irregular menses and amenorrhea are likely hormonal in nature. In other words you likely have a hormonal imbalance, assuming you are pre-menopausal. See your Gyn for hormonal testing; there are many new and safe hormonal replacement therapies.
Dr. Heidi Fowler
Psychiatry 26 years experience
Consider HPT: Reasons for missed / late period include: an anovulatory cycle in which no egg is released, marked v or ^ in weight; eating disorder; Over-exercising (endurance athletics), stress, travel, significant illnesses, oral contraceptives & other meds, Illegal drug use, breast feeding, hormone imbalances and medical problems (i.e., PCOS). Pregnancy is #1 reason.
Dr. Amandeep Kaur
Family Medicine 11 years experience
For how long?: Take a pregnancy test and if negative then consult a physician about it. More information is needed to help you appropriately.
Last updated Mar 22, 2020

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