Placenta previa is a condition in which the placenta partially or completely covers the mother's cervix. Placenta previa can cause severe bleeding before or during delivery. So what causes placenta previa?

Normally, the placenta attaches to the fundus or body of the uterus. When the placenta attaches to the lower part of the uterus and partially or completely covers the cervix, it is called placenta previa. Placenta previa can seriously affect a woman's pregnancy health.

Diagnosing placenta previa on ultrasound to determine the location of the placenta in the uterus. Ultrasound monitoring of placenta previa helps doctors have timely treatment plans, especially when placenta previa bleeds.