so i missed my period for the month of september, i was expecting it on the 20th and it never came...i've never missed a period since i started having periods so im obviously thrown off by this happening. im also bloated, moody, sleepy, and nauseous...if i've calculated correctly if i am pregnant i would be about 4 weeks, i made a drs appt for thursday but i wanted to kno if anyone might be able to advise me as to whether or not i might be pregnant before i go to the doctor...the anticipation is killing me!!! lol thanks in advance and congrats to all of the future mommies

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Re: the anticipation is crazy!!!
At this point, if a HPT says negative, you're most likely not pregnant. False negatives and false positives are VERY rare. Cheap tests are usually the best ones, to be honest.
All sorts of factors can play in to missing a period, so I'd suggest you try an ovulation kit or something like that from here out, if you're actively trying to get pregnant. Good luck!