Abstract
OBJECTIVE: Uterine scar is a risk factor for placenta previa. A case control studyMATERIAL AND METHODS: The study was conducted in Gynae A Unit of Khyber Teaching HospitalPeshawar from June 2021 to November 2021. Sample size 81 was used according to Kelsey samplingformula. Patients were divided into 2 groups. Group A includes 27 patients with placenta previa ascases and group B includes 54 patients admitted as control. An informed consent was taken from thepatients. Secondary risk factors like age, parity, miscarriages, uterine curettage, smoking, history ofmyomectomy, previous cesarean sections and previous history of placenta previa were also evaluated.Other causes of antepartum hemorrhage like placental abruption and bleeding due to local causes andunclassified APH were excluded from the study.RESULTS: A total of 2467 patients were delivered during the study period. Among them 27 presentedas cases of placenta previa and 54 were taken as control with case to control ratio of 1:2. Most commonrisk factor leading to placenta previa was advanced maternal age > 35 years (OR= 5.2, P-value 0.001)followed by previous cesarean section (OR= 2.96, P-value 0.026), history of curettage (OR= 2.29, Pvalue0.095) and history of miscarriage (OR= 2.21 P-value 0.005).CONCLUSION: Uterine scar is a risk factor for placenta previa.
Published Version
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call