Fetal blood vessels from the umbilical cord run in close proximity to cervical os
Seldom recognized prior to vessel disruption
Seldom recognized prior to vessel disruption
Placenta previa
IVF
Bilobed placenta
Vasa previa
Emergent delivery
Placenta previa
Placental abruption
Placenta accreta
Septic abortion
Uterine rupture
Postpartum hemorrhage