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Can you explain what is happening with the egg in the uterus when a Day 3 transfer is done. Once the ET is done, does it dissolve into the uterus? Over the next two days, what is happening? Does the embryo move around in the uterus?
Also, after ET, they say to be careful with stairs. Is it so that you don't fall or so you don't shake so much?
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hi kodi thats a very good question to ask i was wondering that myself i had 2 tranfered on a day 3 and the 28 th i take the blood test this 2 week wait is killin me good luck with you and keep me posted
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On Day 3, the embryo is around the 8-cell stage of development. At this stage, it cannot attach or implant into the endometrium. It must develop to the blastocyst stage (Day5-6), "hatch" from the protien coat that surrounds the embryo, attach to the endometrium and intiate implantation (Day 6). Once implantation has been initiated, it takes about 10 days to complete. Duing implantation, the embryo is secreting hCG into the maternal blood. It takes along time for enough hCG to be secreted to be measureable in maternal serum. That's why your have to wait 2 weeks for the blood test.
Embryos transferred on Day 3 will move around a little bit roght after the transfer because of the volume of fluid used to transfer them. After that fluid dissapates (1-2 hours later), the embryos will stay put at the top of the urerine cavity where implantation is most likley. Bed rest, reduced activity, etc., is to make the patient feel better (i.e. they did everything they could). If the reproductive process was that sensitive to gravity, no one would get pregnant. Women have sex, run marathons and get pregnant. However, falling down the stairs is never a good idea (IVF or not), so watch your step!
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