The authors concluded that the umbilical artery is a reasonable route for infusing TPN solutions. In 1990, 100 institutions were surveyed about the use of medications administered through UACs.

An emergency C-section is usually performed in such cases. A very small number of babies have only one umbilical artery instead of two. This condition occurs more often when you're carrying twins ...

The maternal–fetal circulation was assessed with Doppler ultrasound of the uterine and umbilical arteries before, during and after exercise. Results Mean uterine artery volume blood flow was reduced ...