I guess there is a small chance that you could be but the only way to be sure is to take a test. I'm 12 weeks and my stomach hasn't changed at all, but my breast were very sore in the beginning. However, they were sore before my period started too. Stress effects your periods too and you've said that you're periods weren't regular yet anyway. I would try not to worry too much anymore and find a way to get a test and take it. Best of luck to you.

Take a pregnancy test. it is the only way to be sure. If u do not feel comfortable buying it urself then ask a close friend to do it for u. U can also try ur local health clinic. If u see a doctor to have it done by law wether it turns out + or - they cannot tell anyone. Doctor Patient confidenciality. Stress also affects ur cycle. the more stressed u are the longer it will take for u to get ur cycle. I went 5 months once without my period because i had been so stressed about stuff. but please for ur own peace of mind get a pregnancy test done & if its negative great. if not well than u got options u;ll need to look at. if it does turn out negative think about starting the PILL. If ur mom asks why ( if she doesn't know ur sexually active) tell her its because your periods are very irregular & the pill will help to keep them regulated. Good luck & let me know what happens please.

Like rmoodyturtle said there is a small chance. But since your periods are irregular, it would be harder to tell. I did not know I was pregnant until my second month because my periods are irregular. I don't think him not wearing anything for the 30 seconds is a concern. Some ppl say you can get pregnant off of pre-cum, but that is not really true because all precum is, is a lubricant for the penis to slide in better during intercourse. There is no sperm to come out until he ejaculates. Of course I have heard of many women getting pregnant even when they used a condom. If I were you I would tell your mom because if you are pregnant, aren't you going to tell her anyways? I know this is really hard for you. My mother was mad at me when I told her I was, and I was 19! And married! I wish you the best of luck, but I would test just in case, you never know and that is something you need to know early on so you will be able to make a decision as to what you want to do. I am always here if you need to talk and I wish you the best of luck!
XxCasxX

Whatever u do take a preg test and if its neg like mine was retest a week or 2 later just to be sure and going forward always make sure u protect yourself .

thanx guys!

i took 1 a few days ago and it was negative so i think im ok

thanx for all your great advice :D

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I would take another in a few days with first morning urine to be on the safe side (if you have not started your period). It is more common for you to get a negative when it is positive (false negative) then for you to get a positive when it is really a negative. So, like i said...to be on the safe side...retest in a few days and let us know oK?
~Hugs~