Peak concentrations of testosterone in your baby boy’s body are comparable to the amounts found in adult men at around week 16 of pregnancy! Between 16 and 20 weeks, testosterone levels fall ...

But baby James Sibley is now thriving ... transfusion treatment while still in the womb. At just 13 weeks, he was given a special vaccine and at 16 weeks started having blood transfusions.

Here's what to know about fetal movement patterns in each trimester, what affects them, and how to get your baby moving in the womb ... quickening as early as 16 weeks. “Early movements can ...

A woman in Sweden gives birth to a healthy baby boy after carrying the child in a transplanted uterus for 32 weeks. Jef Akst was managing editor of The Scientist, where she started as an intern in ...