When does human life begin? Science is crystal clear: Human life begins at the moment of fertilization. For centuries, the development of human life within the womb was instinctively understood but ...

“That’s why these findings are especially important — people can often be well into the first trimester and don’t even know they are pregnant,” said lead author Beth Bailey, professor of psychology ...

Fetal development is a critical stage with effects that can last throughout life. Yet, identifying the effects of maternal ...

Using a combination for spatial, single-cell transcriptomics and imaging data from 36 hearts, scientists from the KTH Royal Institute of Technology and their collaborators have come up with what they ...

When does the circadian clock start ticking? A new study shows that fetal clocks synchronize to the mother in the womb via hormones, highlighting the importance of light and sleep during pregnancy.

Studies over the last decade of acetaminophen use in pregnancy — including a recent scientific review — have yielded mixed results but have not found a causal connection. By Azeen Ghorayshi For more ...

A new study shows oxygenation levels in the placenta, formed during the last three months of fetal development, are an important predictor of cortical growth (development of the outermost layer of the ...

Fetal alcohol syndrome can cause behavioral, mental, and physical issues that continue into adulthood. Symptoms include behavioral and learning difficulties. Fetal alcohol syndrome (FAS) is a form of ...

New research in Sweden has produced a “blueprint” revealing how the human heart is built during prenatal development. It offers insights that could lead to improved prenatal care and new treatments ...