need help asap!

so i tested and got some neg some pos, then i bled like a period for two or three days, mine usually last 5-7. when i tested i was weeks late. i still haven't gotten my period, i was going to go to a clinic tkday but chickened out. i have a little tummy and its slightly getting bigger weekly or bi weekly. ive been so exhausted or get no sleep. nauseous on and off, and have been craving and eating like a pig and a complete hormonal mess. its not like im about to get my period, its been going on for weeks. we have unprotected sex and he finishes inside of me and has been since i tested positive. was there a chnace i lost it when i bled? am i pregnant? if i am if i calculated right im 5w1d