 [ Symptoms ] can a very large bowel movement appx 3 inch diameter 10 inch long cause bright red rectal bleeding 1 week later [ Disease ] most helpful answer the chance of getting pregnant during your menses is slim the chance of you getting an sexually transmitted disease from having unprotected sex with two different guys is high did you miss that class when you were in high school you are considered a high risk patient so it would be in you best interest to be tested for the plethora of stds out there in the event that you did not contract one you need to bless your lucky stars sex is fun sex is natural but it is not worth dying over did you all go together and get tested and did you see their results no then how do you really know that they do not have anything if you are going to have multiple sex partners you really should use protection you should use protection even if its one partner and you do not want to get pregnant  just go get tested and use protection next time i wante to know what type of std test would have to be done i know that there clean and so am i but with that i can still get an std