Could i be pregnant?

Since you guys are already pregnant maybe you can help me?? Me and my boyfriend had sex on my CD 15. When we were done we noticed a hole in the conform could semen gotten in me! What's the chances. I was in the 2ww and i was cramping like everyday. Monday i had a feeling like my stomach was tighting on me. Then another day i had a sharp pelvis pain and it brought me to tears. I've had waves for nausea my boobs are killing me and headaches too! Yesterday i got a headache and then felt sick. And ill become tired all day. My period is suppose to come on June 3rd. Please anyone help!