New research has linked the use of frozen embryos in in vitro fertilization (IVF) with a higher risk of pregnancy complications linked to high blood pressure. The massive study, which was published in ...

In vitro fertilization (IVF) using frozen embryos may be associated with a 74% higher risk of hypertensive disorders in pregnancy, according to new research published today in Hypertension. In ...

In IVF treatment, embryos are traditionally transferred to the uterus three days after fertilization. Due to improvements in laboratory techniques, this is now also possible after five days. It was ...

Researchers say a rhinoceros was impregnated through embryo transfer in the first successful use of a method that they say might later make it possible to save the nearly extinct northern white rhino ...

Women with a history of multiple high-quality embryo transfers without pregnancy had no greater risk for common pregnancy complications once pregnant than women with single successful embryo transfers ...

In pregnancies conceived with assisted reproductive technology using frozen embryos, the risk of developing a hypertensive disorder may be 74% higher than during naturally conceived pregnancies. In ...

In this photograph released by the Leibniz Institute for Zoo and Wildlife Research, Dr. Thomas Hildbrandt, head of projects, holds a white rhinoceros embryo that was created in a lab from an egg and ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. NAIROBI, Kenya (AP) — Researchers say a ...