so I had protected sex about a week ago and some days but my bf did ejaculate on my butt but cleaned it right away . I'm also careful to clean everywhere else . The month is over in 2 days and I haven't gotten my period but I have been mildly cramping and I'm terrified of being pregnant . I haven't experienced any types of symptoms and I'm just assuming my mild cramps are from my preperiod but idk I need answers . Thank you