DELAYED parturition leads to quite different results, depending on the species, in its effects on the offspring. In some, like the rabbit with normally a gestation period of 30 to 32 days, the fetuses ...

Scientists have demonstrated for the first time ever that there are fetal brain developments that can be measured using functional magnetic resonance tomography in the womb. This means that ...

Archaeologists working near Aswan, Egypt, have announced their discovery of the burial of a pregnant woman who likely died in childbirth. Dating back 3,700 years, the burial represents an important ...

Male and female reproductive systems allow human reproduction. Fertilisation occurs when a sperm and egg join to form an embryo. An embryo develops into an unborn baby in the uterus during pregnancy.

The film explores the reproductive cycles and embryonic development of amphibians, specifically frogs and salamanders. It details the processes of fertilization, egg development, and the stages of ...

Even fetuses yawn, a new study shows. During the second and third trimester, fetuses yawn frequently, and those yawns can be distinguished in four-dimensional ultrasounds from other mouth-opening ...

In April, Nebraska passed a controversial first-in-the-nation law banning abortion of a fetus after 20 weeks' gestation. Now, in a blow to America's anti-abortion lobby, a British report has undercut ...

The possibility of embryonic stem-cell research has important legalimplications in Ireland, writes Maria J. Colbert. In 1978 Louise Brown, the first "test-tube" baby, was born, and while all marvelled ...