:hello doctor ,it was 8th june i had intercourse with my husband without precaution and next day ia feeling very tired , headache , vomiting, we had intercourse 3-4 time between a week , and before my (18teen) due date blood discharge through my vagina (16teen june )but not like a period , what its mean,,,,my last Menstrual Period was 18 teen may 2011 and i am not feeling well after 10th june and till date iam feeling very tired, and some times Drowsy, dizziness but it was happen after unprotected sex means after 11th of jun