question: pregnancy??  hello Im 18 not on birth control always have had a regular period its always on time never really had a problem. last month my bf came in me four days before ovulation my period was then two days late and when it started it was somewhat heavy for two days then stopped i have had some symptoms but not many i took one test it was negative havent taken another since. just in case Ive started on prenatal vitamins if you could help me it would help me sooo much thank you for taking the time to read