I have a coworker complains of stomach pain sometimes on one side of her pelvic or the other side usually a couple of weeks after menstruation, followed by nausea/vomiting I suggested you is probable feeling her ovulation, I entered the rest room after she went out and noticed a strong urine smell, wasn t foul just strong,,we spoke about her periods and she did say they were heavy and lots of clotting..endomitious ??