Not to be crass, but if a woman is wearing a romper, she may be completely nude using the restroom.
if a woman leaks, she may be removing panties and rinsing them in the sink before wrapping them in paper towel to keep in her purse
if a woman uses a menstrual cup, she may be rinsing it before inserting it back in her body.
A young woman new to tampons, may be struggling with inserting it away from home.
Many women also suffer from extreme “tummy issues” during their period.
Some women have such extreme periods, it causes them to vomit. Same with women suffering nausea during pregnancy
Lots of women are inserting a foreign object inside of themselves during their period.
Many women are tending to personal hygiene like fixing their hair or makeup.
Many women breastfeed in the restroom because if they don’t, some weird man will ogle them or accuse them of indecency.
Women don’t want to do any of these activities with a man in the room.