Fertile days feeling prego

So I and my boyfriend broke up over the weekend but had sex during my fertile days which was June 6 7 8 9 10 And 11 I have been getting busy since the third right after my period stopped today I'm feeling like shit I feel like I'm 2 months nauseated Moody and so in love with my boyfriend I just want to throw up from the word broke up which I think we just needed some time apart and it's my fault bcse I broke up with him why am I feeling like I'm pregnant it's to early to be going these mood changes my period is due the 25 What is going on with me help