Background The diagnosis of labor onset has been described as one of the most important
judgments in maternity care. There is compelling evidence that the duration of both latent …

Background A major cause of failure to achieve spontaneous vaginal birth is delay in labour
due to presumed inefficient uterine action. Oxytocin is given to increase contractions and …

Objectives: Our purpose was to examine the pattern of labor progression in nulliparous
parturients in contemporary obstetric practice. Study Design: We extracted detailed labor …

OBJECTIVE: We sought to compare labor patterns by body mass index (BMI). STUDY
DESIGN: A total of 118,978 gravidas with a singleton term cephalic gestation were studied …

OBJECTIVE: To evaluate outcome differences between women presenting in latent and
active labor. METHODS: We evaluated all low-risk women with term, singleton, vertex …

OBJECTIVE: To estimate whether length of the first stage of labor is associated with adverse
maternal and neonatal outcomes. METHODS: This is a retrospective cohort study of …

Introduction The timing of when a woman is admitted to the hospital for labor care following
spontaneous contraction onset may be among the most important decisions that labor …

Background Admission cardiotocography is widely used to identify pregnancies that might
benefit from continuous electronic fetal monitoring in labour. We aimed to compare the effect …

The primary indication for cesarean section in nulliparous women continues to be clinical
diagnoses that fall under the rubric of dystocia. These diagnoses account for approximately …

OBJECTIVE: To evaluate labor progress and length according to maternal age. METHODS:
Data were abstracted from the Consortium on Safe Labor, a multicenter retrospective study …