Your baby’s brain is one of the first major organs to start developing. Learn more about fetal brain development and what ...

The external genitals start out as several small bulges that form between your baby's legs at 4 to 5 weeks of pregnancy. Around the same time, the internal sex organs are forming from a ridge of ...

During the fetal stage, a number of so-called cell programs run that are vital to the development of the fetus. Researchers demonstrate that one of these fetal programs appears to protect against ...

Previous research has shown that infections during pregnancy may increase the risk of neurodevelopmental diseases in ...

Lab-grown “reductionist replicas” of the human brain are helping scientists understand fetal development and cognitive ...

Researchers examine how growth and learning are subtly shaped among children whose mothers had COVID while pregnant.