Description
Abruptio placenta is premature
separation of a normally implanted
placenta after the 20th week of
pregnancy, typically with severe
hemorrhage.
Etiology
1. The cause of abruptio placenta is
unknown.
2. Risk factors include:
Uterine anomalies
Multiparity
Preeclampsia
Previous cesarean delivery
Renal or vascular disease
Trauma to the abdomen
Previous third trimester bleeding
Abnormally large placenta
Short umbilical cord
Pathophysiology
The placenta detaches in whole or in par from the
implantation site. This occurs in the area of the
deciduas basalis.
Assessment Findings
1. Associated findings. Severe abruption placentae
may produce such complications as:
a. Renal failure
b. Disseminated intravascular
coagulation
c. Maternal and fetal death
2. Common clinical manifestation include:
a. Intense, localized uterine pain, with
or without vaginal bleeding.
b. Concealed or external dark red
bleeding
c. Uterus firm to boardlike, with severe
continuous pain
d. Uterine contractions
e. Uterine outline possibly enlarged or
changing shape
f. FHR present or absent.
g. Fetal presenting part may be
engaged.
3. Laboratory and diagnostic study findings.
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