Need answers

Kerry
My last period was on the 16th April I
Know I ovulated on the 24th which yeah had unprotected sex I have no had my period ever since !! Have had urine test and blood test all last week and they all said no ! I have
Really bad
Cramps my backs sore worst headaches , bloating for a good 2weeks I don't know what's going on !!! I'm never ever this late nor miss a period !! Someone help