Amir, A.; John, A. .; Ali, A.; Fatima, N. .; Bakhtawar, K. . Ultrasound Diagnosis of Placenta Previa and Its Associated Risk Factors With Parity and Previous Cesarean Section: Placenta Previa and Its Associated Risk Factors With Parity. PJHS-Lahore 2022, 3, 34-37.