Positive pregnancy test after embryo transfer
Living foetus week 8
Danish Fertility Center’s results for 2018-20 once more surpass the Danish National IVF results. Our ongoing pregnancy rate per embryo transfer was 38,7% for women up to 35 years, compared to 38,4% for all Danish clinics (35 years included).
For age 35-39 years, we had 30,2% with a living foetus per transfer, for the whole country, the number was 27,3% (women 36-39 years).
For age 40-43 years, we had 15,8% living foetus per transfer, compared to 16,7% as the national average for age 40-42 years. The age intervals differ a little bit. This has influence on our results for the eldest group, as we include women 43 years that the comparator does not include.(www.fertilitetsselskab.dk, annual reports).
|IVF/ICSI (TESE included)||2018 – 2020|
under 35 years
|Positive pregnancy test after embryo transfer||46,5%|
|Living fetus week 8||38,7%|
|Positive pregnancy test after embryo transfer||38,9%|
|Living fetus week 8||30,2%|
|Positive pregnancy test after embryo transfer||25,0%|
|Living fetus week 8||15,8%|
For the interval 2018-2020, 35,8% of women below 35 years and 29,9% of women 35-39 years had a living foetus after transfer of a frozen/thawn embryo, whereas the number was 22,2% for women 40-43 years.
From 2017-2020, 49,4% of transfers resulted in a positive pregnancy test, and 36,9% had an ongoing pregnancy. The national average was 33,5%.
Our success is especially due to the fact, that we have performed more blastocyst transfers in women with several good quality embryos on day 2. In 2018 we performed single embryo transfer (SET) in 96% of all transfers in women under 40 years, and in 58% of transfers in women 40-45 years. For women under 40 years, 3% had a twin pregnancy and 2.5% after frozen embryo transfer.
In 2018-20, we had to transfer 3,1 embryos to have an ongoing pregnancy for women below 40 years.
We were able to preserve the high pregnancy rates, although we transfer fewer embryos than most other private clinics do. We think the improvement is due to the fact that we culture all embryos in the embryoscope, which helps us choosing the right embryo for transfer.
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