I'm 16 and my boyfriend and I had unprotected sex about 4 weeks ago and I been feelimg weird so he got pregnancy tests for me he got first reaponse ovulation and 4/6 came out positive and 2 came out negative and then the following week I had headaches and my nipples got very sore and tender weird I kbow then this weej I was suppose to get my period on the 20-22 and got it today Sunday the 26 and when I saw that I was wiping it was pinkish and then 3 hours later got bright red and like mucus looking like discharge and I'm usually a dark heavy red on periods sorry for the tmi but I also been cramping a lot but not heavy cramping its abdominal cramping too I had nausea and head aches and a lot of dizziness help! Could I be pregnant?