Rochmawati, A.R. and Dwi Ris Hasanah S 2020. The Relationship Of Pregnant Women’s Knowledge About Hypnobirthing With Pregnant Women’s Attitude To Hypnobirthing Therapy Hana Kasih Clinic, Medan In 2020. Science Midwifery. 8, 2, April (Apr. 2020), 92–96.