The phrase "onset of labor" is grammatically correct and commonly used in written English.
It refers to the beginning of the process of giving birth. Example: The expectant mother was anxious as she waited for the onset of labor to begin.
Clinical information including gestational age, chorioamnionitis, premature rupture of membranes, and onset of labor was recorded.
Early elevations in IL-6 can ripen the cervix and contribute to the onset of labor and premature birth.
Doses were repeated every 4 hours until onset of labor or a maximum of 12 doses were given.
This finding suggests that in utero transmission of the virus is rare prior to the onset of labor.
Objective: Experimental and clinical studies support a role for the fetus in the control of the onset of labor.
In human myometrium, sensitivity to parathyroid hormone related peptide is reduced in pregnancy and abolished by the onset of labor.
Conclusion: Fetal asphyxia in pregnancies that were delivered preterm is present frequently before the onset of labor.
Objective: The aim of this study was to characterize the increases of salivary estriol concentrations before the onset of labor at term.
Both bacteria and interleukin-1β rapidly increased the signal of latent matrix metalloproteinase-9 without a consistent increase in the active form before the onset of labor.
This study was undertaken to explore the association between fetal sex, mode of onset of labor, and principal cause of very preterm birth.
Study Design: We extracted detailed labor data from 1329 nulliparous parturients with a term, singleton, vertex fetus of normal birth weight after spontaneous onset of labor.
