Over 130 mammal species can delay embryonic development, giving their offspring the best possible chance of survival in ideal ...

Embryos and the uterus exchange molecular signals within the first hour, shaping whether implantation succeeds or fails.

Scientists captured first real-time 3D video of human embryo implantation, revealing mechanical forces behind successful ...

NAIROBI, Kenya (AP) — Researchers say a rhinoceros was impregnated through embryo transfer in the first successful use of a method that might later make it possible to save the nearly extinct northern ...

At first glance, it looks like the start of a human pregnancy: A ball-shaped embryo presses gently into the receptive lining ...

Seals give birth only when conditions are right. After mating, a female seal can delay implantation of the embryo in the ...

By engineering a system replicating the womb lining with high biological accuracy, researchers at the Babraham Institute and ...

Female tammar wallabies are rarely, if ever, truly alone. Their pregnancies last almost exactly 12 months—and within hours of giving birth, most of the marsupials can be found mating again, conceiving ...

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 ...

Getting your Trinity Audio player ready... By TOM ODULA (Associated Press) NAIROBI, Kenya (AP) — Researchers say a rhinoceros was impregnated through embryo transfer in the first successful use of a ...

This is an archived article and the information in the article may be outdated.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 ...