Human reproduction
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Although elective single embryo transfer (eSET) minimizes the multiple birth rate after in vitro fertilization (IVF)/intra cytoplasmic sperm injection (ICSI), there remain concerns in many countries that it is less effective and more expensive than conventional double embryo transfer (DET). ⋯ This study shows that eSET with cryopreservation is more effective and less expensive than DET and should be adopted as a treatment of choice.