Hormones: this is very common especially in young women. If she is not pregnant hormonal variation can affect menstrual cycles, as can stress, severe weight loss, exercise, medications, and more.
Answered 2/22/2015
3.2k views
A doctor has provided 1 answer
A doctor has provided 1 answer
7 doctors weighed in across 2 answers
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