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.

Natural ovulation before frozen embryo transfer is as effective as hormone treatment for achieving a healthy baby by vitro ...

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 ...