Ok should I be really worried I have not gotten my period for 4 months my last period was on nov 21,2012 I took a home preganacy test it was positive so I went in to get it confirmed they said no Iam not pregnant so the took blood test all ove the hcg test even a urine test nothing but I feel like Iam but they say Iam not I have a 19 month old girl she is nursing off me and that is only at nighttime but I was told I could get pregnant while breastfeedingand they it wasn't going to be a problem but with my son they had all the sme problems and said that I wasn't preganacy and 4 months later they say Iam pregnant should I be concerned please help Iam really worried??

When was the blood test done at the doctor, how long ago?

Have you been back in last month to double check if this was four months ago

You should go in and be checked