21. She finds Loren, who remains silent the whole time, and notices that her leg is soaked in menstrual blood . 22. Menstrual products ( also called " feminine hygiene " products ) are made to absorb or catch menstrual blood . 23. Why not vaginal secretions or smegma or menstrual blood or vomit or . . . what the hell, maggot-infested placentas? 24. Whether one's clothes are blood-stained or not ( including clothes stained from menstrual blood ) is not of spiritual importance. 25. Vaginal wet mounts are not done during the menstrual period, because menstrual blood on the slide can confound the results. 26. NSAIDs are the first-line medications in ovulatory menorrhagia, resulting in an average reduction of 20-46 % in menstrual blood flow. 27. The Indians, fearful that the salmon would stop running, banned women from the river, believing that menstrual blood offended the fish. 28. The impact on menstrual blood loss with copper IUDs can be minimized by reducing the surface area of the foreign body. 29. Grant taught that the true secret of sex magic were bodily secretions, the most important of which was a woman's menstrual blood . 30. Complete obstruction of the vagina can result in hematocolpos and hematometra ( where the vagina and uterus fill with menstrual blood ).