On the outside, you’ll watch your little one grow from newborn to older infant to toddler, preschooler, kindergartener, and so on. It might feel like it goes by in the blink of an eye. But a little ...

A proposed international legal and ethical definition could address current challenges, with implications for improving IVF success rates. The ethical and legal challenges posed by embryology research ...

The placenta has long been thought to produce serotonin during pregnancy. But in a new study, Yale researchers shatter the deep-rooted hypothesis—and show that the placenta doesn't produce serotonin ...

In a scientific breakthrough that raises a number of medical and ethical issues, researchers have used stem cells to create living, growing models of a human embryo. Because stem cells were used, ...

Nature hasn’t made things easy for mammals. Admittedly, as any other vertebrate – they develop from a fertilised egg, but unlike fish or frogs, the embryo cannot prosper by itself. Only if it succeeds ...

Rep. Julianne Young, R-Blackfoot, has proposed a bill that would change the word “fetus” to “preborn child” in dozens of places in Idaho Code. Katherine Jones [email protected] It took a ...