Menorrhea (Noun)

Flow of blood from the uterus; occurs at roughly monthly intervals during a woman's reproductive years.

Nouns denoting body parts.

Menorrhea typically started for most women in their early teens and would continue until menopause.
She had been tracking her menorrhea for months to predict when she would be most fertile.
Irregular menorrhea could be a symptom of various underlying health issues, and she was worried.
Her menorrhea had been heavier than usual, and she needed to use extra protection to avoid staining her clothes.
During menorrhea, some women experienced debilitating cramps and mood swings, but she was fortunate to only have mild symptoms.