Skip to main content

Preterm Labor

Brooke Ersland, MD Reviewed 06/2022
 


BASICS

DESCRIPTION

Regular contractions occurring between 20 and 36 weeks and 6 days with either a change in effacement and cervical dilation or cervical dilation of ≥2cm on presentation. 

EPIDEMIOLOGY

P...

DIAGNOSIS

Diagnosis is generally based on a combination of significant cervical changes (such as dilation, effacement) with regular contractions. However, there is no single test that will reliably di...

TREATMENT

GENERAL MEASURES

  • Treat underlying risk factors.

  • Hospitalization is necessary if the patient needs IV tocolysis.

MEDICATION

Tocolysis may allow time for interventions such as transfer to tertiary...

ONGOING CARE

FOLLOW-UP RECOMMENDATIONS

Patient Monitoring

  • Weekly office visits with contraction monitoring, cervical checks, or cervical US if at high risk for recurrence

  • Routine use of maintenance tocol...

REFERENCES

1
Martin JA, Hamilton BE, Osterman MJK. Births in the United States, 2019. NCHS Data Brief. 2020 Oct;(387):1-8.
2
American College of Obstetricians and Gynecologists' Committee on Practice Bul...

ADDITIONAL READING

Purisch SE, Gyamfi-Bannerman C. Epidemiology of preterm birth.  Semin Perinatol. 2017;41(7):387–391.  

CODES

ICD10

  • O60.03 Preterm labor without delivery, third trimester

  • O60.0 Preterm labor without delivery

  • O60.02 Preterm labor without delivery, second trimester

  • Z87.51 Personal history of pre-term labor

  • O60...

CLINICAL PEARLS

  • Treatment of preterm labor may delay delivery to facilitate short-term interventions.

  • Steroids improve neonatal outcomes.

  • Magnesium sulfate is recommended for neuroprotection for imminen...

Subscribe to Access Full Content

Sign Up for a 10-Day Free Trial

Sign up for a 10-day FREE Trial now and receive full access to all content.

×