You can be together (sexually active) after your period is clean.
During a woman’s menstruation, the cervical opening is open, and if she herself suffers from a vaginal infectious disease, there is an upward infection that may cause gynecological inflammation, such as vaginitis, cervicitis, pelvic inflammatory disease and other diseases. Diseases should be treated promptly to avoid further aggravation. If you have sex during menstruation you don’t have to worry too much, there is no abnormality.
After the menstrual period is clean and then have sex, at this time the woman’s cervical opening is closed, the environment of the uterus and vagina has returned to normal, no longer bleeding. If you have sex at this time, you don’t have to worry about uterine infections or uterine bleeding caused by sex, and you only need to take good contraceptive measures.