The reason why maternal labor pains manifest differently is first of all the lack of scientific understanding of the birth process. At the end of pregnancy, estrogen levels in women increase and progesterone levels decrease relatively. Estrogen can increase the sensitivity of uterine muscles to substances that stimulate uterine contractions such as oxytocin. Together with the increase in local intrauterine pressure, it promotes strong uterine contractions. Followed by factors of fear and pain sensitivity. Mother’s fear is also due to lack of understanding of the birth process