What is the role of tocolytics in the treatment of preterm labor?

Updated: Dec 17, 2018
  • Author: Michael G Ross, MD, MPH; Chief Editor: Carl V Smith, MD  more...
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Answer

Answer

Criteria that indicate consideration of tocolytic therapy include more than 6 contractions per hour resulting in a demonstrated cervical change or presumed prior cervical change (transvaginal cervical length < 25 mm, >50% cervical effacement, or cervical dilation ≥20 mm). If contractions are present without cervical change, management options include continued observation or therapeutic sleep for the patient (eg, morphine sulphate 10-15 mg subcutaneous).


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