The second-stage of labor is the most stressful part of childbirth process and the proper matal position during this period is paramount for women’s safe vaginal birth.Midwives play a pivotal role in managing matal positions during the second-stage of labor.However,there is limited evidence to support an ideal matal position during the second-stage of labor.Further,the difference between different matal positions might not be apparent.This paper aims to review and compare the benefits and risks of common matal positions during the second-stage of labor,thereby to provide midwives evidence-based practical guidelines.