Malnutrition: Usually you need at least 17% body fat to have a period. The ovaries need to be able to secrete estrogen. The estrogen eventually stimulates growth of the endometrium (uterine lining) which is eventually shed.
Answered 11/16/2013
4.7k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question