Association of Fetal Abdominal-Head Circumference Size Difference With Shoulder Dystocia: A Multicenter Study.

Objective This study aims to determine if shoulder dystocia is associated with a difference in the fetal abdominal (AC) to head circumference (HC) of 50 mm or more noted on antenatal ultrasound. Study Design A multicenter matched case-control study was performed comparing women who had shoulder dystocia to controls who did not. Women with vaginal births of live born nonanomalous singletons ≥ 36 weeks of gestation with an antenatal ultrasound within 4 weeks of delivery were included.

Umbilical cord plasma and salivary insulin and leptin concentrations in AGA neonates: a preliminary report.

Unlabelled: Background and objective: Insulin and leptin hormones are important regulators of food intake and energy balance. There is limited information about insulin and leptin hormones in neonates. This preliminary study aimed to investigate the concentrations of insulin and leptin in umbilical cord plasma and neonate's saliva and their relationships.

American college of obstetricians and gynecologists practice bulletins: ascertaining their citation, influence, and utilization.

Objective: To ascertain the influence and utilization of the American College Obstetricians and Gynecologists practice bulletins (PBs) by measuring their citations in three different search tools.

Study Design: PBs in obstetrics (OB-PBs) and gynecology (GYN-PBs) published from September 1998 to December 2009 were identified. PubMed, Ovid MEDLINE, and Web of Science were utilized to determine how often PBs were cited.