so let me start my introducing myself im amanda i have 2 children a 5 year old daughter and a 1 year old son my 2 pregnancies have been very different i had gotten pregnant with my daughter when i was 19 and i have never had regular periods ever it very normal for me to go 2 months without a period but when i had gotten pregnant with her i thought nothing of it since i took 12 yes i said 12 pregnancy test while very pregnant( 1 to 6 months pregnant) and they came out negative ....yes strange i know ....but it caused my pregnancy to be extremely high risk i was in preterm labor from 25weeks till i had her at 38 weeks ...no worries though shes 5 and very healthy and smart ...my son on the other hand i knew at 5 weeks and the pregnancy was great now were tryinng for our 3rd and i had taken 2 pregnancy test at home after missing my period and they were positve but very very light ...so since i have no medical insurance i went to planned parenthood to get it confirmed and it was negitive then i went and got a blood test it was negative ....ive taken more test and they were all negative but its been 3 months and no period ....ive never gotten a false positve in my life so i have no idea what steps i should take now ...my doctor had told me to get an internal exam after i got the results from my blood test since there is no signs of aunt flo what so ever 
could i be pregnant ...bu tthe hormon not biulding up like with my daughter?