Pregnant or not

So I was suppose to get my period yesterday I had sex with my boyfriend last week this weekend and the the other day. And I was ovulating I believe but idk I've been feeling really strange lately because I've been having a lot more gas then usual bloating and bigger boobs they hurt. Dizzy spells. Cramps idk I get it confussed idk if it's my period wanting to start or I'm prego should I wait to c what happens or what what's your recommendations