reproduction

And hot weather may affect a baby’s development in other ways: A 2021 analysis found a higher incidence of anomalies, such as cardiac defects, spina bifida, or cleft lip, at higher…

Meanwhile, Hanna’s team in Israel was growing mouse embryo models in a similar way, as they described in a paper in Cell that was published shortly before the paper from Zernicka-Goetz’s…

The new paper is the result of herculean computational analyses, involving researchers in Germany, Spain, and the United Kingdom, to better understand the role ancient retroviruses play in…

Critics argue that even if someone wanted to have biological children—for instance, if they were actively trying to have children before they died—it can’t be assumed that they would have…

According to WHO guidelines, if a doctor conscientiously objects to providing an abortion, then that country’s health system must refer a patient to an alternative health care provider. But…

The Texas ruling also conflicted with one made the same day by a judge in Washington state, directing US authorities to preserve mifepristone access in 17 states and the District of…

Shira Fishbach, a newly graduated physician, was sitting in an orientation session for her first year of medical residency when her phone started blowing up. It was June 24, 2022, and the US…

Menopause may be entering public consciousness (although, bewilderingly, it’s not a mandatory part of the curriculum in 41 percent of UK university medical schools), but many other areas of…

If they found a mutation in around 50 percent of an offspring’s DNA, they concluded that it was likely a germline mutation—one inherited through either the mother’s egg or the father’s…

The ovary is a time machine. It travels to the future, reaching old age ahead of the rest of the body. At birth, each ovary contains around a million follicles—tiny, fluid-filled sacs that…