Reproducibility and acceptability of ultrasound measurements of head–perineum distance
Introduction: We aimed to test the reproducibility of head–perineum distance (HPD) measurements using two different ultrasound devices and five examiners, to compare ultrasound measurements and clinical assessments and to study if ultrasound examinations were acceptable for women in labor. Material and methods: A reproducibility study was performed at Lund University Hospital, Sweden and Landspita
