Chan, Viola Y T <br/><br/>
Measuring angle of progression by transperineal ultrasonography to predict successful instrumental and cesarean deliveries during prolonged second stage of labor.  [electronic resource] 

 -  International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics  Feb 2019 
 - 192-198 p.  digital 
<br/><br/> Publication Type: Journal Article; Observational Study 
<br/><br/><label>ISSN: </label>1879-3479 
<br/><br/><label>Standard No.: </label>10.1002/ijgo.12712  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Cesarean Section--statistics & numerical data<br/>Female<br/>Hong Kong<br/>Humans<br/>Labor Presentation<br/>Labor Stage, Second<br/>Predictive Value of Tests<br/>Pregnancy<br/>Prospective Studies<br/>Ultrasonography, Prenatal--methods<br/>Uterine Contraction<br/>Vacuum Extraction, Obstetrical--statistics & numerical data