5. Clinical pregnancy rate: per embryo transfer data.
Study | Intervention (number of embryo transfer) | Control (number of embryo transfer) | Clinical pregnancy rate | P value |
Karimzadeh 2012 | Natural cycle FET | HT FET | 27.6% vs 25% | n/s |
FET: frozen‐thawed embryo transfer; HT: hormone therapy; n/s: not significant.