Explore the fascinating stages of human fetal development, shedding light on the wonders and mysteries of life before birth.

With each week of pregnancy, your baby-to-be is developing in leaps and bounds. In the early stages, they are called a zygote. They then progress to an embryo, fetus, and finally, baby. You might ...

Research in mouse models has identified a new mechanism for how long-chain polyunsaturated fatty acids (LC-PUFAs), like omega ...

Many in the medical community believe there’s clear evidence that a fetus – a developing baby in the womb – can’t feel physical pain until after the 24th week (6th month) of pregnancy.But ...

The placenta is connected to a developing fetus by a tubelike structure called the umbilical cord. Through the umbilical cord, the placenta provides oxygen and nutrients to a developing fetus.

Smoking damages a fetus’s developing lungs and brain — it is also a cause of SIDS, or sudden infant death syndrome, according to the US Centers for Disease Control and Prevention.

A sibling can change your life — potentially even before birth. The sex of one fetus can affect its neighbors in the womb. The "intrauterine position effect" was first discovered in cattle farming.