i Register
In some senses, menstrual is marked as dated, colloquial. Watch for register when choosing this word.
adj
Of or relating to the menses.
Recent studies in physiology have noted that women who live in close proximity to one another - nurses in a hospital or coeds in a college dormitory - tend to have their menstrual periods at the same time.
Occurring once a month; monthly.
Lasting for a month.
a menstrual flower
noun
A menstrual period.
“All that drama for what” I thought. All she had to do was tell me that I was having my menstrual. So much for band aids.