Medicine
8 years ago

Frozen Embryos Outperform Fresh in IVF, Improving Pregnancy Outcomes

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New England Journal of Medicine
“Freeze Only” — An Evolving Standard in Clinical In Vitro Fertilization
Christos Coutifaris

Paper Summary

Pregnancy and live birth rates are better with frozen embryos due to improved cryopreservation techniques. Babies born from frozen-embryo transfer have fewer complications compared to fresh-embryo transfer. The differences in outcomes are likely due to the unnatural hormone levels in fresh IVF cycles.

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