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how early can you hpt

hi everyone, i had my embryo transfer last saturday. after a five days Blasocyst and i wondered if anyone knows how early you can hpt.
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1544019 tn?1318504526
When I had my 5-day transfer, I was also wondering how early I could test.  I tested 5 days post transfer with a hpt and got a negative.  But both of my betas were positive, so it must have been too early.  Now I am 17 weeks pregnant! :)

During this time, my friend sent me the following information, which was SUPER helpful!  Hopefully it will help you too.

Best of luck and lots of baby dust!!



What Happens After an Embryo Transfer?
Once you complete your embryo transfer, you will have approximately 1½ weeks to wait before a pregnancy can be detected. The following tables outline an approximate timeline for what happens during a successful pregnancy after a 3-day transfer (3dt) and a 5-day transfer (5dt).

3-Day Transfer

One
The embryo continues to grow and develop, turning from a 6-8 cell embryo into a morula

Two
The cells of the morula continue to divide, developing into a blastocyst

Three
The blastocyst begins to hatch out of its shell

Four
The blastocyst continues to hatch out of its shell and begins to attach itself to the uterus

Five
The blastocyst attaches deeper into the uterine lining, beginning implantation

Six
Implantation continues

Seven
Implantation is complete, cells that will eventually become the placenta and fetus have begun to develop

Eight
Human chorionic gonadotropin (hCG) starts to enter the blood stream

Nine
Fetal development continues and hCG continues to be secreted

Ten
Fetal development continues and hCG continues to be secreted  

Eleven
Levels of hCG are now high enough to detect a pregnancy



5-Day Transfer

One
The blastocyst begins to hatch out of its shell

Two
The blastocyst continues to hatch out of its shell and begins to attach itself to the uterus

Three
The blastocyst attaches deeper into the uterine lining, beginning implantation

Four
Implantation continues

Five
Implantation is complete, cells that will eventually become the placenta and fetus have begun to develop

Six
Human chorionic gonadotropin (hCG) starts to enter the blood stream

Seven
Fetal development continues and hCG continues to be secreted

Eight
Fetal development continues and hCG continues to be secreted

Nine
Levels of hCG are now high enough to detect a pregnancy
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1345697 tn?1430619021
I had a 5 day transfer and didn't get my first BFP until 8 days after. You want to be careful testing too early and risking a false positive if trigger is still in your system. I've read all kinds of things but my RE said it could stay up to 12 days. Good luck to you!
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