Medically reviewed by Alicen Nelson MD, MPH The navel, also known as the belly button or umbilicus, is a small, round, or ...

Neonatal blood gas analysis is a critical tool used to assess the acid-base balance and oxygenation status of newborns at birth. This analysis, particularly of umbilical cord blood, provides ...

The umbilical cord that connects an expectant mother to her in-utero baby, which was once considered medical waste upon birth ...