Janan Orakzai Z, Malik Awan N, Khattak N, Rokhan B, Rashid F, Kamran A. Role of Ultrasound in First Trimester Vaginal Bleeding: An Observational Study at a Tertiary Care Hospital in Mardan, Pakistan: Role of Ultrasound in First Trimester Vaginal Bleeding. PBMJ. 2022;5(6):242-245. doi:10.54393/pbmj.v5i6.550