Semen can't really effect menstruation, this is because menstruation is controlled by the hormones in a woman's body - the only time semen can effect menstruation is if it results in pregnancy. Semen can however soften the cervix which can help induce a late period.
Medicines can change menstruation.
No not at all. Hormones effect menstruation.
I had it late and prolongued...
No, a vaginal suppository doesn't slow the flow of menstruation. Menstruation is the shedding of the uterus lining, nothing you put into your vaginal canal can effect this shedding process. There are medications that can effect your flow.
No, antibiotics do not effect menstruation - although if you are ill it can cause delayed menstruation or menstrual problems.
Menstruation doesn't effect how well you tan.
yes. Menstration will not effect an extraction.
No, grape juice has no effect on menstruation.
No, nothing you eat can effect your menstrual cycle.
penetration does not effect menstruation in any way
Yes as the loss of blood can effect this disorder. Also it can effect the body giving to patient anemia they didnt have before.
Your breasts can seem to get bigger before menstruation. Hormonal changes can effect the breasts, causing breast ducts to swell, so this cause cause temporarily larger breasts during menstruation or just before menstruation.