Research and Application of Razi Theory With Conventional Medicine in Natural Childbirth

The goal of any health system is to improve health and reduce disease, mortality and disability in society. Razi is one of the most prominent practitioners. His works, including "Al-Hawi", are considered one of the most expensive scientific heritage of Iran and the world. He was successful in producing science, innovation and expanding knowledge. He had a tremendous and wide impact on the completion of various sciences including medical science in theory and practice.Pregnancy and childbirth Pregnancy is one of the valuable topics dealt with in the Book of Alawi. Techniques and special cares have been used for labor in various studies. One of these techniques is the  " Valsalva maneuver " - Straining with closed glottis and holding breath - which is commonly used in the second stage of labor in many countries. The Valsalva maneuver was first described and recorded by an Italian physician named Antonio Maria Valsalova in 1704.However,Razi  referred to this technique and recommended that it be used for difficult childbirths in Al-Hawi book.