Velamentous insertion of the umbilical cord 1. What every clinician should know Clinical features and incidence Velamentous insertion of the umbilical cord refers to insertion of the cord into the membranes rather than directly into the placenta. Fetal vessels then traverse the membranes freely, unprotected by Wharton’s Jelly or placental tissue, to insert into the…
Vasa previa (Benckiser's hemorrhage) 1. What every clinician needs to know Clinical features and incidence Vasa previa is a condition where fetal vessels, unprotected by umbilical cord or placental tissue, run through the membranes over the cervix and below the presenting fetal part (Figure 1). Artificial or spontaneous rupture of the membranes often leads to…
Placental abruption (abruptio placentae, premature separation of the placenta). 1. What every clinician should know Key clinical features and incidence In this condition, the placenta separates from the uterine wall prior to the birth of the fetus. The placenta is the source of oxygenation and nourishment to the fetus, and hence total or partial interruption…
