Jul 13, 2022 · Vasa previa is a rare pregnancy complication that can lead to severe blood loss for your fetus if it’s not carefully managed. With vasa previa, unprotected blood vessels from the umbilical cord travel across the opening of your cervix (or cervical os).

Apr 29, 2023 · Vasa previa is a complication that can occur during pregnancy. Some of the blood vessels that connect the umbilical cord to the placenta lie over or near the entrance to the birth...

In vasa praevia, blood vessels from the fetoplacental circulation lie unprotected on the fetal membranes across or near (within 2 cm) the internal cervical os, either from a velamentous insertion of the umbilical cord or connecting an accessory (succenturiate) lobe of the placenta to …

Jul 27, 2015 · Vasa previa occurs when fetal blood vessels that are unprotected by the umbilical cord or placenta run through the amniotic membranes and traverse the cervix. If membranes rupture, these vessels may rupture, with resultant fetal hemorrhage, exsanguination, or even death. Prenatal diagnosis of vasa previa by ultrasound scans is approximately 98%.

Vasa previa refers to unprotected fetal vessels running through the membranes over the cervix. Until recently, this condition was associated with an exceedingly high perinatal mortality rate attributable to fetal exsanguination when the membranes ruptured.

Mar 24, 2022 · Vasa previa is an extremely rare, but severe, complication of pregnancy. In vasa previa, some fetal umbilical cord blood vessels run across or very close to the internal opening of...

If a woman has vasa previa, doctors check the fetus's heart rate frequently after 28 weeks of pregnancy to determine whether the fetus is in distress. Cesarean delivery is required and is often done at 34 to 37 weeks or, if problems develop, even earlier.

Vasa previa is an uncommon pregnancy complication where unprotected blood vessels from the placenta pass over or near the cervix. If left untreated, these vessels can rupture when a pregnant person’s water breaks or during vaginal delivery, putting the fetus at risk of severe blood loss.

In vasa previa, membranes that contain fetal blood vessels connecting the umbilical cord and placenta overlie or are within 2 cm of the internal cervical os. Diagnosis is by ultrasonography. Management is fetal surveillance and delivery at about 34 weeks, or earlier for bleeding or nonreassuring fetal status.

Jul 28, 2021 · Vasa praevia is when the blood vessels that connect your baby to the placenta do not grow properly and can tear before or during labour. It is a serious but rare pregnancy complication. What is vasa praevia? In most pregnancies the blood vessels that bring oxygen and blood to your baby are protected within the umbilical cord or placenta.