i had unprotected sex 4 weeks ago  and i started bleeding while having sex (happened twice with fiancé) an i missed my period for a week now but 3 days in i did the vitamin c thing to induce your period , but i did it for 4 days now an i still havent got my period? i dont feel any pregnacy symptoms or nothing an my period always came on time ! btw im 27 an soon to get married , but not planning to have kids yet!