Blood pregnancy test when is to early

islagirl1218 · August 2015

i just went to a walk in clinic for something unrelated and told them I had an iui 6 days ago and they drew blood and it can back negative. Of course it made me really upset even though the doctor said he thinks it's to early and I know that but I have been feeling so weird and to get a negative test really bummed me out.

amos1417 · August 2015

I definitely think it's too early to tell if you are pregnant. Implantation does not occur usually until 7-11 days after ovulation. Don't get discouraged!!

KidShrink · August 2015

Definitely way too early. Even after implantation, it takes 3-4 days for there to be enough hcg in your blood to be detected.

happymonkeys · August 2015

Definitely too early.

If there was fertilization, the blastocyst wouldn't begin to implant until Day 6 (Day 1 being 24 hours after IUI, because fertilization takes about 24 hours to complete). On Day 7 the embryo continues to burrow into the endometrium lining. Only on Day 8- Day 9 do maternal capillaries reach the implanting blastocyst, which is why it's impossible to detect HCG in the blood before that. In one study I read (I'm in the medical field), HCG is first detected in blood between 8-11 days after fertilization in about 90% of pregnancies that go on to deliver a healthy baby (i.e. if HCG is not detected by Day 11 in the blood, there is a much smaller chance of going on to have a viable pregnancy, though exceptions are always possible!). If HCG is not detected in the blood by 13 days after fertilization,they did not find any pregnancies that went on to deliver a healthy baby (i.e. they DID detect the first HCG after 13 days in the blood in some women, but those ultimately ended up being non viable pregnancies). I want to make sure you know this is detecting HCG in blood, not in urine. Urine detection trails behind blood detection by a few days, and is more variable person to person depending on kidney filtering and how quickly the individual breaks down HCG. I know this sounds very clinical/technical, and if it seems too removed please just let me know. I find data and statistics to be comforting, but I totally understand that others may not!!

happymonkeys · August 2015

Also sending happy hopeful thoughts your way! I'm terrible at the 2ww. I want to pee on sticks all the time, even when I logically know there is actually no chance of getting a positive yet. :-)

islagirl1218 · August 2015

@happymonkeys that was extremely helpful. That made me feel much better. I just haven't been feeling myself. Yesterday and today I have a slightly raised temp of 99.5 and just feel like a cold is coming. It's a messed up way to play with your mind during the 2ww!

gkamerman78 · September 2015

@islagirl1218 I was just wondering how you were doing and if you got a BFP yet or not? I know the day after I had my ivf I got an awesome head and chest cold I was thrilled and feared it was going to ruin everything. Was just thinking of you and thought I would check in.

Blood pregnancy test when is to early

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