What factors determine the success of an external cephalic version?

What factors determine the success of an external cephalic version?
BJOG. 2019 Mar;126(4):501
Authors:
PMID: 30729658 [PubMed - in process]

Source: BJOG : An International Journal of Obstetrics and Gynaecology - February 9, 2019 Category: OBGYN Tags: BJOG Source Type: research