Prama SO, Ramadhani SP, Turiyani. The Relationship Of Characteristics Of Pregnant Women In Trimester 1 With The Event Of Hyperemesis Gravidarum In Shafaa Marwa Clinic, Batam City In 2020. midwifery [Internet]. 2022 Apr. 12 [cited 2026 Jun. 3];10(2):863-70. Available from: https://www.midwifery.iocspublisher.org/index.php/midwifery/article/view/371