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Fertility Network UK
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1 or 2 embryos for et?

Hello!

All being well I’m due to have a 5 day transfer tomorrow. I’m not sure how many embryos will be suitable by tomorrow but there was 5 on day 3. Wondering if a few look good should I go for 1 or 2 for transfer. Not sure if it increases chances of pregnancy. Did anyone have success with 1 embryo transfer on day 5? Head is all over the place and this may not even be an option when I get the call tomorrow.

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When I had et they would only let me transfer one am about to start fet and only letting me transfer one again but said if didn’t work I could transfer two next time xx

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It depends on a few factors whether they allow 2. If you’re too young and /or the embryos are excellent quality they may fear twins /multiples and advise against 2. Ditto if it’s your 1st IVF. I’ve had 3 previous IVFs. 1st I was 33 so could only do 1 particularly as it was a day 5 blasto. My next two cycles I only had 1 day-3 embryo each time so no choice. This cycle is donor egg. And I’m also 36 now. So I’ve had 2 day-5 blastos transferred. It does increase the chance of pregnancy as the hope is at least 1 of the 2 will stick, as opposed to just the 1 which doesn’t stick. However of course it increases the chance of multiples too which has its own risks. I’d suggest a chat with your clinic. But ultimately it’s up to you and at this stage in my treatment we wanted to give ourselves the best possible chance and opted for the 2; it was a no brainer for us. xx

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Thanks for reply. Got the call and they have said all 5 are top grade so would recommend one so I’ll follow their lead x

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That’s brilliant news about the embies progress! I think that’s wise, especially if this is your first round of IVF. Sending big love 💜

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It’s very much a personal choice and also depends like people have said on your age and embryo quality. The clinics are under pressure to reduce their multiple birth rate so in the UK there are quite strict guidelines. Even if you transfer 1 there is about a 1%chance of twins.

I was 36 when we first started and on our fresh cycle we were not given the option and one high quality day 5 blastocyst was transferred - resulted in BFN. For the frozen transfer, I am 37 and hey offered us the choice of one or two. My husband was keen for two but said ultimately it was my decision. I went for one- there is a slightly increased pregnancy rate with two transferred. It goes from about 25% to 30% success but is different depending on maternal age. But twin pregnancies come with their own increased risk ( I won’t write them in case someone is carrying twins). At this stage, I did not want to go through that but if this cycle does not work I will probably go for two next time. Good luck with the transfer- there is no right or wrong answer. Xxx

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Thanks I’ve gone for one with their advice as they said 5 top grades. Just hoping this wee one will do it. Glad that decision has been made as I’m too much of a thinker x

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Hi Fran, good luck with your transfer! This is such an exciting point in the process 😊 This is a very personal choice & I think age is certainly a factor. While having 2 transferred increases your odds, it does carry risks and it’s really important that you’ve thoroughly thought this through. Perhaps if you haven’t done that yet, you should transfer 1 & give yourselves time to consider it properly next transfer, if you happen to be not successful this try? But that is your choice entirely xx

Here was my plan, in case it helps you to decide: While I am older now, I was only 35 at egg collection and we had 7 good quality embryos in total, so we agreed to transfer 1 only on each of the first 3 tries. At that point we’d do some further testing with a view to transferring 2 on the 4th attempt. I was concerned about not being able to relax for the whole pregnancy while carrying multiples, plus the increased strain it would put on my body and some of the potential health risks for the little babies.

That said, I would be happy whether we have a single baby or beautiful twins, so perhaps there is no wrong answer here! Good luck whatever you decide xx

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Thanks I’ve gone for the one with their advice. Here’s hoping it’s sticks x

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I have everything crossed for you xxx

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I was only allowed to put one back in on the NHS. It was top quality, thankfully and I have four in the freezer. I'm 37 and currently 6w +1d pregnant. Xx

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Congratulations that is wonderful news. I’m going for one with their advice and hoping will have some in the freezer. Good luck for th pregnancy x

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Hi Fran, I first put back 2 and during the second (successful) attempt one. I think I would put one only again as I understand New studies indicate that putting more than one does not double the chances. Also multiple pregnancy are more risky

All the best for your transfer

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Thanks I’d read that study too. Who knows it all a mind field. Good to hear yue one was successful x

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First time round my daughter had 1 transfer and one frozen. She got her BFP and he is now 2. When they went for FET the egg didn’t survive the thaw and they were devastated. This time round the transferred 2 eggs as this was their last attempt. Again she got her BFP but it is only a singleton so they made the right decision to transfer 2 as we don’t know which one of them was successful. Hope that helps xx

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That’s wonderful news thanks for your advice x

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