Second time around

I have a good news to all of you guys. Last week I took a pregnancy test and it came out positive, and I can't believe it coz we are not trying to have another baby, so what I did I bought another Pregnancy test and tried it again and still positive, i cant still belive it. SO I called my doctor to have my appointment to have another test again. When i went to the doctor the doctor asked me if i took PT and I said yes and it came out that I am pregnant, and he said CONGRATULATIONS! I told my doctor to give me another test and the doctor said no need coz you are and it's really accurate, and I insisted that I want another test, so they did and I am pregnant. I really hoping that this is a GIRL, I wanted to have a girl so bad.