title: Benefits and pitfalls of the use of intrapartum ultrasound.
authors.affiliation: Imperial CollegeInstitute of Reproductive Developmental BiologyHammersmith CampusW12 0DN; Queen Charlottes and Chelsea HospitalImperial College Healthcare NHS TrustDu Cane RoadLondonW12 0HS.
authors.forename: Sana
authors.initials: S
authors.lastname: Usman
authors.affiliation: Imperial CollegeInstitute of Reproductive Developmental BiologyHammersmith CampusW12 0DN; Queen Charlottes and Chelsea HospitalImperial College Healthcare NHS TrustDu Cane RoadLondonW12 0HS.
authors.forename: Christoph
authors.initials: C
authors.lastname: Lees