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Labor Onset
The beginning of true OBSTETRIC LABOR which is characterized by the cyclic uterine contractions of increasing frequency, duration, and strength causing CERVICAL DILATATION to begin (LABOR STAGE, FIRST ).
Subtype terms (3)
More specific conditions that are subtypes of Labor Onset in the MeSH hierarchy.
- Labor Stage, First
8 drugs (5 approved, 3 experimental)
- Labor Stage, Second
4 drugs (2 approved, 2 experimental)
- Labor Stage, Third
Drugs by status
Approved for this indication (1)
Phase 4 trials (2)