I Haven't Been On Birthcontrol For About 7 Months Now,

I haven't been on birthcontrol for about 7 months now, I've been having unprotected sex for about 2-3 weeks, we had sex on a daily bases maybe 2 or 3 times a day. My period came about a week early, we even had sex during my period and it was pretty light after I got off I spotted and these constant period cramp/pains came they haven't went away the pain is on the left side of my vagina and I've have the constant pains going on a week now.