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Me and my boyfriend had unprotected s_x on the 4th of march. Dumb i know but it lasted like 15 minutes and he said he didn't come. But about 2 1/2 weeks later i started feeling weird. I was feeling nauseous and i actually threw up once before school. I was also unusually tired and found it hard to stay awake in class even if i went to sleep early the night before. I was also peeing all the time. Then on the 22nd of march i went to my gyno for birth control and they did a urine pregnancy test which came back negative. I ended up getting the depo shot even though i don't think that was a good idea. I had the depo shot before about a year ago and this time was very different. I was still having all the symptoms that i had before the depo shot but i was also very constipated and my br___t became sore. I started gaining weight very soon when i got the depo shot a year ago but this time i was losing weight at first but now im gaining weight and it my belly is getting harder even my boyfriend noticed. i also have linea nigra and it wasn't there before. I took two pregnancy test and the first one i took had a very faint positive and the other was negative. I also have irregular periods. I think im 22 weeks. I went tothe doctor and they did a urine test that came back negitive but im pretty sure i am. Does anyone think there is a good possibility that im pregnant. Thank you in advance for your advice.