“The stomach should not be hit by any hard object during menstruation, as this might injure the uterus and cause a woman to vomit blood. This might also result in the development of ovarian cancer.”
Vera Files says: Vomiting of blood after getting hit in the stomach is most probably due to a “severe damage” in the stomach or its surrounding organs, and, “in most situations,” does not involve or affect the uterus and the rest of the…