okay so heres the deal:
back in august 3rd i had sex with my boyfriend with a condom and it was just a couple of thrusts and thats it, he didn't come or anything. So my period wasn't coming until i got a pregnancy test which came out negative (i took 2 and were both negative) then my period finally came on august 31! but the thing was i didn't get one for the month of september! when i went for the pill on October 1st i took a pregnancy at the doctors which came up negative (but i had peed an hour before). The doctors had said that i didn't get it in september because of the fact school started and that there is a lot of walking in the campus and the fact i started running about 5 days a week (its my first year as a college student). I started taking the pill on October 1st and no period or anything now (was hoping it would come later on in the week but it didn't)
so here is my questions:
would the pregnancy be accurate even if a had gone about an hour before? and if 3 tests came out negative,am i fine?
what would have caused the missed period?should i even be worried since i got my period for the month of august (which was the last time I had sex) and just the birth control is throwing it out of whack (started in October)?
and can precum get you pregnant even with a condom (it didn't break and no holes were on it)?
Additional Details about the missed period:
there are a couple of things that the doctor said can contribute like im overweight (they looked at a chart at where I should be nd it said i was overweight) and the fact that im more stress because of school now starting and that im probably not use to the schedule (before i use to sleep at like 2 am and wake up at 12 or 1 now im sleeping at 10 or 11 and waking up at 5 could that contribute?)