Placental abruption can be a self-extending process with the accumulating
blood clot causing more separation, and thus more
haemorrhage, until the edge of the placenta is reached. After this,
blood can escape through the potential space between the chorion
(placental membrane) and the decidua (lining of the uterus during
pregnancy) until it reaches the cervix. Blood can also reach the amniotic
cavity (by disrupting the placenta, producing blood stained
amniotic fluid) and the myometrium (causing the bruised, socalled
’Couvelaire uterus’). There is usually severe fetal hypoxia associated
with sizeable placental separation, and sudden fetal death
is common.
Placental abruption can be a self-extending process with the accumulatingblood clot causing more separation, and thus morehaemorrhage, until the edge of the placenta is reached. After this,blood can escape through the potential space between the chorion(placental membrane) and the decidua (lining of the uterus duringpregnancy) until it reaches the cervix. Blood can also reach the amnioticcavity (by disrupting the placenta, producing blood stainedamniotic fluid) and the myometrium (causing the bruised, socalled’Couvelaire uterus’). There is usually severe fetal hypoxia associatedwith sizeable placental separation, and sudden fetal deathis common.
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