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Doctor insights on: Frozen Embryo Implantation Timeline

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I have had a few frozen embryo transfers that have failed. What causes failed implantation?

I have had a few frozen embryo transfers that have failed. What causes failed implantation?

Uterus and embryos: Failed implantation is common. An aneuploid embryo, with abnormal chromosomes is likely the cause. A receptive uterus requires normal structure of the uterine lining and surrounding uterus. Hormone preparation and timing must be correct. The transfer procedure itself is sometimes problematic. Cycle monitoring, medications, and ultrasound are essential. Check with an expert in rei.

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Freezing (Definition)

Freezing is to mean turning liquid into solid form by lowering the temperature. Water begins to freeze at 32 degree f or 0 degree celsius. Freezing reduces the movement of the substance/object--solid. Also commonly used in daily communication--police says to a perpetraitor "freeze" and hopefully the bad boy/girl stays solid/still (just for fun :-)). Have ...Read more


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What is the embryo doing from time of fertilization to implantation?

What is the embryo doing from time of fertilization to implantation?

Floating & growing.: The embryo floats down the fallopian tube and enters the uterus where it will implant itself in the uterine wall and establish a blood supply to the mother for further nourisment to continue its development. While floating through the fallopian tube, it has enough nourishment inherent in the egg to divide and grow.

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Would fasting before natural frozen embryo transfer can be a problem for implantation. Already fasting due for FET transfer in couple of weeks?

Would fasting before natural frozen embryo transfer can be a problem for implantation. Already fasting due for FET transfer in couple of weeks?

Why fasting?: Fasting is not typically a part of the fertility treatment process. Are you fasting due to religious reasons? If so let your doctor know so that your belief system can be incorporated into your plan of care. Generally a nutritious diet and healthy living are recommended

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What impact does pcos have on implantation success with frozen embryos?

What impact does pcos have on implantation success with frozen embryos?

Insulin resistance: Which is the basic biochemical defect of pcos, adversely affects all aspects of the reproductive process. You would need consultation and treatment by a reproductive endocrinologist if you want to have any potential success with frozen embryos.

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I am day 10 of an frozen embryo transfer I have cramping on my lower left side in the same spot could this be implantation cramps?

I am day 10 of an frozen embryo transfer I have cramping on my lower left side in the same spot could this be implantation cramps?

Doubtful: Implantation occurs 6-7 days after fertilization so with an fet this would've been 5 or more days ago. I am not saying you may not be pregnant, but implantation isn't happening 10 days after fet. Good luck.

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I have endometriosis w/ 1 failed IVF and 3 frozen embryos left. Would another laparoscopy to remove endo help implantation with an fet? Last lap 2/13

Not likely: I think for years we were more concerned about things like that. Now we known in the absence of specific problems with the uterus lining or cavity, that most ivf cycles fail because the embryos were genetically abnormal. So at age 31 likely half of all good day 5 embryos are genetically abnormal. Hopefully on of the frozen ones is good quality and genetically normal!

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What effect can endometriosis have on implantation after a frozen embryo transfer? Last lap. To remove endo was 12 months ago.

What effect can endometriosis have on implantation after a frozen embryo transfer? Last lap. To remove endo was 12 months ago.

Unlikely: Endometriosis means endometrial tissue outside the normal place (uterus). The implantation is within the uterus where endometrium is supposed to exist. If the endometriosis causes hormonal imbalance that could affect your implantation indirectly, but it is best to ask your ob/gyn.

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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.

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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".

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8 cell embryo increase chances of implantation?

8 cell embryo increase chances of implantation?

Yes if day 3: Good quality 8 cell embryos are generally what we want to see for day 3 embryo transfer. However, many 8 cell embryos will not implant and sometimes even poor quality embryos will still implant.

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Can you lose embryo a couple days after implantation? Symptoms

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.

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I had my 5 d et on mar 26. During the transfer I had a lot of contractions. Will it affect the chances of implantation. I had a 5aa grade embryo?

I had my 5 d et on mar 26. During the transfer I had a lot of contractions. Will it affect the chances of implantation. I had a 5aa grade embryo?

Embryo transfer: Cramping with the transfer may affect implantation but you had an excellent embryo transferred. If the cramping continued, i'd contact your doctor to let them know.

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Any Tips for embryo transfer before and after for implantation?

Any Tips for embryo transfer before and after for implantation?

Stay healthy: The way to have a healthy pregnancy does not require adherence to an impossible routine and diet, etc. Make a plan with your OB and stick to it, won't be hard to follow at all. ..

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After 11days embryo transfer if the implantation fail how does it come out of your body?

After 11days embryo transfer if the implantation fail how does it come out of your body?

Most often: Comes out with the next menstrual period, which starts when your et was unsuccessful. The embryo (s) are tiny though, you wouldn't see it (them.).

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Can tetrogens cross to an embryo at implantation? Or does this only happen once the placenta is formed?

Can tetrogens cross to an embryo at implantation? Or does this only happen once the placenta is formed?

Yes, they can: Placenta and embryo evolve from the same structure, which is the clump of cells that originate from the division of the fused sperm/egg. Without blood supply from the mother, these events could not happen. So, with the blood to the evolving fetus/placenta, come the teratogens to the embryo.

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


Embryo (Definition)

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