"I'm 19, my boyfriend and i started having sex this month and we have used a condom the whole time.. One time it slipped off but he got it out before ejaculating, that is the only time i can think that something went wrong. Now im 3 days late and I'm never ever late on my period, i took a test today and it came out negative but i had to drink allot of water so i could pee and when i did it was really clear. Does this affect the results? Also i know my body well and i have no signs that I'm getting my period, only that my boobs hurt. I have read that stress delays your period.." and I don't know why but I'm stressing... Is there a possibility that I may be pregnant?:confused:

Drinking a lot of water will alter the results as it dilutes your urine. Make sure you take the test first thing in the morning as that is when the concentration of hCG (pregnancy hormone) is highest.

Yes, you definitely could be pregnant. Any time you have sex, protected or not, you could get pregnant. And since the condom slipped off, your chances are higher. As J9 said, drinking lots of water will definitely dilute your hcg levels and not make the test accurate. 3 days is not incredibly late. Its also not uncommon to be later, or completely miss a period. Even if your body has been predictable up till this point, your body/hormones are always changing, so never say never when it comes to your period being off. It could be normal, or you could be pregnant. Take the test first thing in the morning as J9 said. If still negative, and you don't get your period by the time you are 10-14 days late, take another test. If still negative, you might want to consider a blood test, and/or visiting your doctor. Good luck

I also forgot to mention that last time we had sex was the same day I was supposed to get my period, while we had sex I bled just a little bit and I thought that it might have been because I was going to start my period... but after that I have had nothing, the bleeding was not like my period.. it was lighter and very little... is that normal?
Again thanks for the help

"I'm 19, my boyfriend and i started having sex this month and we have used a condom the whole time.. One time it slipped off but he got it out before ejaculating, that is the only time i can think that something went wrong. Now im 3 days late and I'm never ever late on my period, i took a test today and it came out negative but i had to drink allot of water so i could pee and when i did it was really clear. Does this affect the results? Also i know my body well and i have no signs that I'm getting my period, only that my boobs hurt. I have read that stress delays your period.." and i dont knwo why but im stressing ... Is there a possibility that i may be pregnant?:confused:
Being late doesn't always mean your pregnant, at your age many teenagers experience sluggish periods. Meaning irregular. It also could be due to the fact you are worrying about it, which is stress related. If you are really concerned take a pregnancy test.