Can a pregnancy blood test be wrong during 24 hours ?

Hi, I’m 12 weeks, I got my baby’s gender through blood test. I was absolutely sure it was a girl, I have such a strong feeling it’s a girl. But results say boy. Am I in denial? Can blood test be wrong ?

I swear there is always something to worry about during pregnancy. Just got blood taken for neural tube defect. Note to wait for those results. Doctor has me peeing in a container for 24 hours smh. I swear it wasn’t this much for my first pregnancy. I just want to be worry free

I was admitted into the hospital for my blood pressure to be “observed” 24 hours. I took a NTS test and didn’t even notice I was having contractions.. I also believe I lost some of my mucus plug. I’m starting to get nervous I turn 34 weeks tomorrow 😩

Been in the hospital for 48 hours even though I was only post to be here for 24 hours to be monitored because of my blood pressure and have a 24 urine culture done also get two steroid shots for baby boy‘s lungs I’m supposed to go home tomorrow hopefully I do because my son‘s birthday is on Saturday🤞🏽all my test come back good

Does anyone know if DNA test done while pregnant(blood test from mom) mouth swab from potential father, could be wrong?

So is the best chance of getting pregnant having sex during 24 hrs after a positive ovulation test?

Does any one else see the second line this is a ovulation test does this mean i could be ovulating in the next 24-48 hours ?

So with these test should I only test with the 24-48 hours before ovulation? my test keep coming back low but this is my window …ovulation says the 15th on two apps .

Did y’all question start to question the gender last minute? Sketchy blood test said girl Level two ultrasound ignored the question People randomly mentioning blood tests can go wrong Dream it was a girl during the blood test but a boy at birth Im just getting this last minute hunch or what if anyone else get this?

My 3 hours testing and my 24 hours over night stay🤦🏾‍♀️🤦🏾‍♀️