Hi,am 21 years old.I started my last period on 18 December 2014 and finished on 22 december. I had unprotected sex with my boyfriend on 5 january 2015 which was my beginning of ovulation and I took morning after pill on 6 december within 72hours. After two days I experienced abdominal pains with no discharge. Its now 14 days after unprotected sex and taking of the pill,and am having breasts and nipples paining with nausea at times.and I have not had my period up to now. please help am I pregnant or what could be the problem?