A 25-year-old female patient presents with amenorrhea. History includes heavy athletic training for the past year for a 25-mile marathon. She has lost 16 lbs. in the past 3 months, and says she feels very fit, but she wonders why she is amenorrheic. You explain that the layer on the inside of the uterus is not being built up in a normal manner, most likely due to a paucity of estrogen caused by her strenuous physical activity. She asks about the anatomical details of the uterus. How many layers are associated with the uterus?
Question 19 of 40