menstrual

adj

1. (not-comparable)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.”

2. (dated, not-comparable)Occurring once a month; monthly.
3. (dated, not-comparable)Lasting for a month.

   “a menstrual flower”

noun

1. (colloquial)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.”