Quiz: Is My Period Normal?


Reviewed by Nivin Todd, MD on
May 23, 2016


Simon Battensby/Photographer’s Choice RF


American College of Obstetricians and Gynecologists: “Menstruation in Girls and Adolescents — Using the Menstrual Cycle as a Vital Sign,” “FAQ Especially for Teens: Menstruation,” “FAQ: Gynecologic Problems, Premenstrual Syndrome.”

Association of Reproductive Health Professionals: “Menstrual Suppression,” “Menstruation and Menstrual Suppression Survey.”

Center for Young Women’s Health, Children’s Hospital Boston: “Medical Uses of the Birth Control Pill,” “Menstrual Periods.”

Chavez-MacGregor, M. Breast Cancer Research & Treatment , March 2008.

Eunice Kennedy Shriver National Institute of Child Health and Human Development: “Endometriosis.”

Gollenberg, A. Journal of Women’s Health, May 2010.

Halifax Health: “True or False: Women Who Live Together Tend to Have Synchronized Menstrual Periods.”

National Health Service, United Kingdom: “Can I Get Pregnant Just After My Period Has Finished?” “Periods, heavy,” “Vaginal Bleeding.”

National Institutes of Health: “Prior Stress Could Worsen Premenstrual Symptoms, NIH Study Finds.”

Nemours Center for Children’s Health Media: “Expert Answers On … Is Period Blood Always Red?”

Penn Medicine: “Menstrual Periods — Heavy, Prolonged, or Irregular.”

Society for Menstrual Cycle Research: “Menstrual Synchrony: Do Girls Who Go Together Flow Together?”

University of Arizona Campus Health Service, SexTalk: “Is It Safe to Have Sex During Menstruation?”

University of Maryland Medical Center: “Vaginal Bleeding Between Periods — Overview.”

Office on Women’s Health: “Menstruation and the Menstrual Cycle Fact Sheet,” “Premenstrual Syndrome Fact Sheet,” “Your Menstrual Cycle.”