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Doctor insights on: Blastocyst Splitting

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What is the definition or description of: blastocyst?

What is the definition or description of: blastocyst?

Early development: We use this term for one of the early phases after fertilization, in which the mass of cells produced by the division of the fertilized egg has acquired a central cavity, making it hollow, and one can tell which cells will become embryo and which placenta. ...Read more

Blastocyst (Definition)

We use this term for one of the early phases after fertilization, in which the mass of cells produced by the division of the fertilized egg has acquired a central cavity, making it hollow, and one can tell which cells will become ...Read more


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What is blastocyst collapse?

What is blastocyst collapse?

Not a common: terminology. Perhaps it means when an early embryo does not survive and collapses/shrinks. ...Read more

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Should home preganancy test is reliable after 14 days of blastocyst transfer?

Probably not: After the transfer, implantation must occur and that is a bit too soon for a high enough blood stream HCG to spill over into the urine for a reliable home pregnancy test. ...Read more

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I am 7 Days past 5 day 2 perfect blastocyst transfer and test this morning showed very faint positive. Is this a good sign?

Too early: The possibility of pregnancy is there but still to early to tell remember spontaneous abortion can take place up to 16 weeks therefore is quite early to tell, if this is going to be a viable pregnancy. Reason why you doctor sees you every 3 to 4 weeks during your pregnacy and follows intra uterine growth with sonograms. ...Read more

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How soon will you see a blastocyst and sac on ultrasound?

How soon will you see a blastocyst and sac on ultrasound?

5-6 weeks: It is not possible to see a blastocyst. The very earliest a gestational sac can be seen is 5-6 weeks from the first day of your last period. ...Read more

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Can implantation of a blastocyst occur a day or so after an abortion?

Can implantation of a blastocyst occur a day or so after an abortion?

Unlikely: While anything is possible, the transfer of a blastocyst to the uterine cavity the day or two softer an abortion would very likely not result in implantation and pregnancy success. ...Read more

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Can a day 5 blastocyst be transferred in day 7 of my natural cycle through ivf?

Can a day 5 blastocyst be transferred in day 7 of my natural cycle through ivf?

No: The window of implantation appears to close at about noon on day 6 post-retrieval. While there may be occasional pregnancies, the success rate drops significantly. I am not sure why you or your doc would want to transfer on day 7, but it is almost certainly a poor idea. ...Read more

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4 days after blastocyst transfer, is it normal to have nauseas and in general stomache issue taking food?

4 days after blastocyst transfer, is it normal to have nauseas and in general stomache issue  taking food?

Follow up: You need close follow up with your provider, call today to discuss these concerns. ...Read more

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I had 2 5 day blastocysts transferred and 12 days later my hCG was 3829 then 2 days later it was 6079. is this good?

Yes! Congratulations: An hCG level that doubles in 2 days means an embryo is developing normally. Congratulations! You're pregnant! It's very early, but you ARE pregnant! ...Read more

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I had day 5 et on 13thoct blastocyst ready to hatch.Today 17th oct I have got some spotting, I am very worried. Please advice?

Blastocyst: Spotting is extremely common in the weeks following et, i tell my patients to expect a little - so do not be alarmed. Have you called your own ivf doctor? If you are worried you should let him/her know, they'll help you. ...Read more

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Hi, i had day 5 embryo at blastocyst stage grid bc transfer and today is 5 days pass the transfer i don't any symptoms does this means negative .

Hi, i had day 5 embryo at blastocyst stage grid bc transfer and today is  5 days pass the transfer i don't any symptoms does this means negative .

Embryo transfer: We presume implantation takes place within 48 - 72 hours of the transfer but you won't detect any pregnancy hormones until 7 - 12 days after the transfer. Therefore you could still be pregnant even if you don't have any symptoms. ...Read more

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Have you ever heard of someone thawing out day 3 frozen embryos, growing them out to blastocyst, doing pgd, re freezing, then unfreezing for transfer?

Have you ever heard of someone thawing out day 3 frozen embryos, growing them out to blastocyst, doing pgd, re freezing, then unfreezing for transfer?

Healthtap Prime: This is a very specific question requiring a high level of expertise. I recommend using Healthtap Prime to speak with a specialist in this area. I suggest Dr. Colin Smikle in California. https://www.healthtap.com/#experts/11885726-dr-collin-smikle ...Read more