The most common cause is the mismanagement of 3rd stage of labor, such as: * Fundal pressure * Excess cord traction during the 3rd stage of labor Other natural causes can be: * Uterine weakness, congenital or not * Precipitate delivery * Short umbilical cord It is more common in multiple gestation than in singleton pregnancies. Associations * Placenta praevia * Fundal Placental Implantation * Use of Magnesium Sulfate * Vigorous fundal pressure * Repeated cord traction * short umbilical cord
Uterine inversion
Placental expulsion
Uterine perforation
Uterine incarceration
Uterine rupture
Uterine atony
Uterine hyperstimulation
Uterine septum