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Doctor insights on: What Are The Best Days For Embryo Implantation

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What is the range of E2 and P4 levels to assure "best probability" of implantation? Day before embryo transfer E2 was 182.2 and P4 was 35.9.

What is the range of E2 and P4 levels to assure "best probability" of implantation? Day before embryo transfer E2 was 182.2 and P4 was 35.9.

Normal: For progesterone the "range" is not so important as being above a certain level (no one is sure what that is tho!) Most docs would say 35.9 is plenty. You don't say whether frozen-or-fresh transfer, so the numbers can differ, but for a frozen (?) transfer anything between about 150-400 would be considered good. Ask your own doc for more specific answers about the plan, and good luck! ...Read more

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Implantation (Definition)

One common meaning refers to the process by which an embryo attaches to the uterus of a woman so that she is pregnant. Many think of it as 'sticking.' implantation in humans always occurs when the embryo is between 6-7 days old. A very popular concept on the internet now in 2012, 'implantation bleeding, ' is speculative ...Read more


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Can you lose embryo a couple days after implantation? Symptoms

Yes: Embryos can certainly die (stop growing) even following implantation. There are no symptoms except you will start a period at the usual time. ...Read more

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Could I have implantation bleeding at 6 days post embryo transfer?

Could I have implantation bleeding at 6 days post embryo transfer?

Possibly: Bleeding post transfer can be caused by a friable, or cervix thats bleed easy, a small bleed behind the gestational sac, following intercourse, the loss of a twin and/or signs of an early miscarriage or a difficult et. If you have any bleeding, contact your doctor immediately. And remember, it may not be a bad sign. Probably would consider starting Progesterone to help quiet the uterus. ...Read more

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Is it possible to have implantation bleeding 2 days after. A 5 day embryo transfer? Could it be from crinone (progesterone gel)?

Is it possible to have implantation bleeding 2 days after. A 5 day embryo transfer? Could it be from crinone (progesterone gel)?

It is possible: But i would hope that you would ask any questions to the doc who did the transfer, included in your doc's payment and obligation is to answer any questions u may have any time of the day or night and when u have a speciialized procedure like that I am sure your doc would want you asking him or her before u ask here. ...Read more

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Signs of embryo implantation?

Signs of embryo implantation?

Implantation bleed: Implantation bleeding happens 6-7 days after ovulation. Ovulation for mos women happens between days 12-16 from the first day of the period, on average 14 days. Therefore implantation bleeding can occur sometime between day 18 at the earliest and 22 at the latest (days 19-20 for most women). Of course there are exceptions but this applies to most regularly menstruating women. ...Read more

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Can embryo implantation hurt?

Can embryo  implantation hurt?

No. It's so small.: An embryo a few days old has just a few hundred cells, and is so small that it's almost invisible. It's probably the size of a comma on your phone or computer screen. It's basically a dot, but a dot that contains magic stuff called "life". ...Read more

Embryo (Definition)

An embryo is a developing human being from between 1- ...Read more