Individualize pushing time in labor

Spontaneous birth after pushing varies by parity, epidural use, and fetal position.
*Retrospective cohort study; Level 2b (OCEBM).

Citation

Eide-Djavit B, Eggebø TM, Dalen I, et al. How long should women push? The effect of fetal position, parity, and epidural use on spontaneous delivery. American Journal of Obstetrics & Gynecology. 2026; October. doi:10.1016/j.ajog.2026.05.001

Background

Guidelines differ on how long pushing should continue in labor. This large Norwegian study estimated when continued pushing was still likely to result in spontaneous vaginal birth.

Patients

120,218 term births at 3 Norwegian university hospitals. Included women had a single head-down fetus, no uterine scar, and reached active pushing. Excluded: prior uterine scar, preterm birth, multiple pregnancy, non-head presentation, or face/brow/sinciput presentation.

Intervention

Different durations of active pushing, stratified by first birth versus prior birth, epidural use, and fetal position at delivery.

Control

Comparison across strata; no randomized control group.

Outcome

Primary: time from start of pushing to spontaneous delivery. Secondary: severe perineal tear, bleeding >1000 mL, 5-minute Apgar score <7 (0–10), and umbilical cord acid level <7.0.

Follow-up Period

From start of pushing through delivery.

Results

Group Suggested pushing limit Spontaneous delivery probability
First birth, anterior position, no epidural 2 hours 98.4% (95% CI 98.1 to 98.6)
First birth, anterior position, epidural 2.5 hours 90.1% (95% CI 86.3 to 92.8)
First birth, posterior position 2 hours 78.6% without epidural; 44.9% with epidural
Prior birth, anterior position 1 hour without epidural; 1.5 hours with epidural 99.0% (95% CI 98.9 to 99.1); 97.4% (95% CI 97.0 to 97.7)
Prior birth, posterior position 1.5 hours 97.4% without epidural; 82.6% with epidural

Anterior position: baby faces the mother’s back. Posterior position: baby faces the mother’s front.

Pushing beyond these limits added little chance of spontaneous delivery. Pushing longer than 30 minutes was linked to more maternal complications and lower newborn scores; effect estimates and confidence intervals were not reported.

Limitations

Observational design cannot prove causation. Fetal position was recorded at delivery, not at pushing onset. Norwegian delayed-pushing practice and low cesarean rates may limit generalizability.

Funding

Hospital research grant; no external funding. No company bias apparent.

Clinical Application

Use parity, epidural status, and fetal position to individualize pushing limits rather than applying one universal cutoff.