What is the best transperineal ultrasound parameter for predicting success of vacuum extraction?
W-L
WL
Lau
W-C
WC
Leung
R
R
Chin
D005260:Female; D006257:Head / Q000000981:diagnostic imaging* / Q000196:embryology; D006801:Humans; D007746:Labor Presentation; D011247:Pregnancy; D014463:Ultrasonography; D014620:Vacuum Extraction, Obstetrical / Q000379:methods*