Need your help PLEASE!!!! did numerous HPT 1 poss 4 neg?

i have pcos i dont have periods at all. so i found it a bit strange when i started 2 have most of the symptoms of being preggs. tingling , darker areolas milk ducts, back ache ect.... although i did a hpt wen i started suspecting the pregnancy. the first one came out possitive but i didnt notice untill i looked properly so i waited a few days and did more the rest came out negative although they were different cheeper tests!!! now i cant get another possitive as much as i try. concidering i ave pcos and have no periods i do not have any idea how far gone i will be. i dont really want to go to the docs yet as it may be very early and dont want the disapointment of the doc saying its negative what do you think of my situation do you think im pregnant????? PLEASE HELP as im so so so confused thanks x