Angle of progression measurements of fetal head at term: a systematic comparison between open magnetic resonance imaging and transperineal ultrasound
C Bamberg, S Scheuermann, C Fotopoulou, T Slowinski, A Dückelmann, U Teichgräber, F Streitparth, W Henrich, JW Dudenhausen, KD Kalache · Geburtshilfe und Frauenheilkunde · 2011 · Heft 08
Bibliografische Angaben
Zusammenfassung
Objectives: During labor, transperineal sonography is increasingly used to evaluate fetal head descent. The aim of the present study was to compare the angle of progression assessed by open magnetic resonance imaging (MRI) versus transperineal ultrasound. Methods: 31 pregnant women at term (>37 weeks), who were not in labor, underwent a MRI in an open 1.0 Tesla system. A midsagittal plane of the maternal pelvis was stored. Immediately after, without changing the supine position, a transperineal ultrasound was performed. The angle of progression was measured off-line by transperineal ultrasound and MRI. Results T…