Alshammari D. Measure Incidence of 3rdand 4th degree perineal tear among pregnant ladies in King Abdulaziz Medical City, Jeddah - delivering vaginally and assisted vaginal deliveries. SJOG [Internet]. 2022 Jan. 25 [cited 2024 May 19];1(1). Available from: https://journals.kau.edu.sa/index.php/SJOG/article/view/95