 [ Symptoms ] light blood over a few days after unprotected sex and period isnt due for 2 weeks 3 days ago i had unprotected sex with a guy and he cummed inside me the next day i had pink tinged discharge in my underwear then yesterday when wiping my self after peeing i had a small amount of blood on the tissue was bright red then today used a tampon in just incase and it had pink colour discharge on it then i had same again a small amount of blood a while later im thinking surely it cant be a period as im not due for another 2 weeks is this something to worry about is it pregnancy [ Disease ] over the counter vitamins usually have less folic acid than prescription prenatal vitamins also depending on your lab results your doctor may have prescribed more or less of some vitamins so consult with your ob gyn first if your doctor approves it is fine to use over the counter vitamins it is really important to make sure you are giving your body the right nutrients during this time of fetal growth