I Am Currently On A 3 Month Bc. 2 Weeks

I am currently on a 3 month bc. 2 weeks ago i missed 2 pills in a row and had unprotected sex during that time. I had what i thought to be a period becauae of the missed pills for about 4 days. For about a week now i have noticed that my lower stomach, right below my belly button is super bloated and has a constant pain but not really painful more discomfort. My breasts have gotten a little larger and dont hurt for what i can tell. I am conatantly hungry and wanting to drink water all the time. I have taken multiple pregnancy tests at home and they are all negative. Im concerned.