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Labor Stage, First

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Definition: Period from the onset of true OBSTETRIC LABOR to the complete dilatation of the CERVIX UTERI.  human only; check tags FEMALE & PREGNANCY    Other names Labor, First Stage; First Stage Labor; First Labor Stage; Dilatations, Cervical; Dilatation, Cervical; Cervical Dilatations; Cervical Dilatation

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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