title: International Infectious Disease Society for Obstetrics and Gynecology-USA.
authors.affiliation: Department of Obstetcs and Gynecology New York Hospital/Cornell Medical Center ,New York, New York, USA.
authors.forename: W J
authors.initials: WJ
authors.lastname: Ledger
authors.forename: M G
authors.initials: MG
authors.lastname: Martens