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Everything is alright, I promise you are not pregnant. Also once sperm touches the air it dies and dries out rather quickly so don’t worry about that being a cause. You are GOOD! Your period is coming…stress can make it a day or two late.

You are not pregnant! I used to worry about this too in school and I wouldn’t wanna sit on the chairs so I would sit on my knees. It doesn’t work like that though! It has to get on or in your private part, as for the STD, MOST STD’s won’t spread that way!!! Lots of them are so unlikely it’s nearly impossible! I mean think about it. You’ve swam in a pool and didn’t get an STD. You’ve probably also used a public toilet and didn’t get an STD. You will be okay, and your period will come. Just try to relax and maybe tell your boyfriend your concerns, does he know you have OCD?