Can drinking black coffee affect menstruation

During menstruation, if there is dysmenorrhea or less menstrual women, drink less black coffee may alleviate symptoms. However, if the menstrual volume is more, it is best not to advocate drinking black coffee. Because coffee contains caffeine, it will cause uterine contractions, which will cause increased menstrual volume or menstrual dripping. Therefore, it is recommended that black coffee should not be drunk during menstruation.