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Elective transfer of two embryos (ET2) compared to the elective transfer of three embryos (ET3) in oocyte donation (OD): pregnancy and implantation rates, and incidence of multiple gestations
| ODET2 | ODET3 | P Value | |
|---|---|---|---|
| Pregnancy rate (%) | (54/118) 46% | (77/141) 54% | NS |
| Implantation rate (%) | (69/236) 29% | (123/498) 29% | NS |
| Multiple pregnancy rate (%) | |||
| Overall | (14/54) 26% | (36/77) 48% | 0.03 |
| Twins | (13/54) 24% | (26/77) 34% | NS |
| Triplets | (1/54) 2% | (10/77) 13% | 0.05 |
