hi there i took a pregnancy test last month on february the 3rd and went to my obgyn and they said yes i was pregnant i figured i was pregnant and believed so because i didnt get my period on feb 8th like excpected...but ended up at the er on the 9th because of severe cramps the doctor told me my urine came out that i was neg for pregnancy,and my obgyn explained it was a chemical pregnancy,i ended up getting my period on the 11th of february,my doctor explained it was just a late period,now its march 17th and i havent got my period i took a pregnancy test and it came out a clear positive sign could i be pregnant?