Amenorrhea
From womenshealth.gov
Menstruation and the Menstrual Cycle Fact Sheet (More information on this publication)
http://www.womenshealth.gov/publications/our-publications/fact-sheet/menstruation.cfm...
Other publications and websites
Amenorrhea (Copyright © Mayo Foundation for Medical Education and Research) (More information on this publication)
http://www.mayoclinic.com/health/amenorrhea/DS00581
Lactational amenorrhea (Copyright © Mayo Foundation for Medical Education and Research) (More information on this publication)
http://www.mayoclinic.com/health/birth-control/BI99999/PAGE=BI00030
Medical Uses of the Oral Contraceptive Pill (Copyright © Center for Young Women's Health, Children's Hospital) (More information on this publication)
http://www.youngwomenshealth.org/med-uses-ocp.html
Menstrual Changes (Copyright © The Well Project) (More information on this publication)
http://www.thewellproject.org/en_US/Womens_Center/Menstrual_Changes.jsp
Polycystic Ovary Syndrome (PCOS) Frequently Asked Questions (Copyright © International Council on Infertility Information Dissemination) (More information on this publication)
http://www.inciid.org/faq.php?cat=infertility101&id=2
Other organizations
womenshealth.gov
A federal government website managed by the Office on Women's Health in the Office of the Assistant Secretary for Health at the U.S. Department of Health and Human Services.
200 Independence Avenue, S.W. • Washington, DC 20201