Placenta Previa in Pregnancy (cont.)
Placenta Previa Symptoms
Vaginal bleeding after the 20th week of gestation is the primary symptom of
placenta previa. Although the bleeding is typically painless, in some cases it
can be associated with uterine contractions and abdominal pain. Bleeding occurs
in 70% to 80% of women with placenta previa. Bleeding may range in severity from
light to severe.
Placenta previa can be associated with other complications of pregnancy
- Placenta accreta occurs when the placental tissues grows too deeply into
the womb, attaching to the muscle layer, resulting in difficulty separating from
the wall of the uterus at delivery. This complication can cause life-threatening
bleeding and commonly requires hysterectomy at the time of Cesarean delivery.
Placenta accrete occurs in 5% to 10% of women with placenta previa.
- Preterm premature rupture of the membranes (PPROM) can result from the
bleeding of placenta previa.
- Other abnormalities of the placenta or umbilical cord can be associated
with placenta previa
- Breech or abnormal presentation of the fetus can be associated with
placenta previa due to the presence of the placenta in the lower part of the
- Some studies have shown a reduction in fetal growth associated with
- Finally, placenta previa, like other complications of pregnancy, can have a
significant emotional impact on the mother after it has been diagnosed.