Frequency of Placenta Previa in Women with History of Previous Caesarean and Normal Vaginal Deliveries
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Date
2020-03-12
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faculty of Basic Medical Science - Libyan International Medical University
Abstract
Placenta previa is know to be associated with previous caesarean deliveries, advanced
maternal age ,increasing parity, smoking and myomectomy. This study was conducted
to compare placenta previa incidence in women with previous Caesareans relative to
those with normal vaginal deliveries. And also determine if multiple
previous caesarean sections in subsequent deliveries would be Associated with a
higher placenta previa level than in women with a single previous caesarean Section
Description
The placenta is an organ that develops in the uterus during pregnancy,provides
oxygen and nutrients as the baby develops and remove waste products from the baby's
blood.Placenta previa is defined as placeta lying entirely or in part in the lower uterine
segment.(3)
Cesarean section is the surgical delivery of baby by an incision through the mother's
abdomen and Uterus. This procedure is done when it is determined to be a safer
method than a vaginal delivery for the mother, baby or both.(4) Advancing maternal
age, multiparity, miscarriages, uterine curettage, cocaine use, smoking and previous
history of placenta previa have all been attributed as risk factors for placenta
previa.(5)The most common identifiable aetiological factor is previous uterine damage
due to repeated pregnancies or surgical procedures. This endometrial damage
predisposes to abnormal placentation
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