A twin pregnancy is when there are two fetuses in the uterus at the same time. Twins can be identical, meaning they developed when a single fertilized egg split early in development, or fraternal, ...

The placenta keeps the fetus healthy in the womb and, after birth, can be donated to strangers to offer "miraculous" healing power. The Cleveland Clinic describes the vital role of a healthy placenta.

Theresa Gaffney is the lead Morning Rounds writer and reports on health care, new research, and public policy, with a particular interest in mental health, gender-affirming care, and LGBTQ+ patient ...