What is Menstruation? American Pregnancy Association

Menstruation is the discharge of blood and tissue from the lining of your uterus that occurs at the beginning of your menstrual cycle.

pregnancy symptoms –

Physical and Emotional Challenges Through the Menstrual Cycle - Our Bodies Ourselves Today

Natural Family Planning American Pregnancy Association

Menstrual Cycle and Blood Sugar Levels: Does the Menstrual Cycle Affect Glucose Levels?

What is Menstruation? American Pregnancy Association

Amenorrhea: Types, Causes, Symptoms, Diagnosis & Treatment

Polycystic Ovary Syndrome (PCOS)

Can I Get Pregnant from…?, UNM Health Blog

What Your Period Blood Color Can Tell You About Your Health — Love Wellness