HONOLULU — The risk for placenta accreta is 3 times higher in pregnancies achieved with in vitro fertilization using frozen embryo transfer than in those using fresh embryos, according to a new study.

Roque M, Valle M, Guimarães F, Sampaio M, Geber S In the freeze-all cycles, somewhat fewer embryos were transferred (2 vs 2.2). The implantation rate was higher in the freeze-all group (26.5% vs 19.9% ...

When a woman in her mid-40s underwent a single, genetically normal embryo transfer, clinicians expected -- and counseled for -- a singleton pregnancy. What followed instead was one of the rarest ...

A new research paper was published in Volume 17, Issue 10 of Aging-US on October 10, 2025, titled "Developmental arrest rate of an embryo cohort correlates with advancing reproductive age, but not ...