Supplementary Table 5. Clinical pregnancy rate, delivery rate and gestational order after the transfer of donated frozen warmed oocytes (FWO/OD), 2021.
Number of embryos
transferre
Embryo
transfers
Clinical
pregnancies
Embryo
Transfers*
Deliveries
Number % Number % Number Number of deliveries Delivery rate per embryo transfer*
(%)
Singleton (n) Singleton (%) Twin
(n)
Twin
(%)
≥Triplets (n) ≥Triplets (%)
FWO FRESH 2033 74.6 1014 49.9 1906 729 38.2 617 84.6 108 14.8 4 0.6
FWO FET 694 25.4 286 41.5 636 168 26.4 154 91.7 14 8.3 0 0.0
TOTAL 2727 100 1300 47.7 2542 897 35.3 771 86.0 122 13.6 4 0.4

FWO FRESH: Frozen warmed oocytes which have been fertilized and the embryos transferred fresh
FTO FET: Frozen warmed oocytes which have been fertilized and the resulting embryos frozen again before transfer.
*Excluding cases of pregnancies with loss of follow-up (LFU).