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Evidence Library · What helps

The best-supported thing in labor is someone who stays

Continuous one-to-one support through labor. Fifty-five fewer women per thousand rate their birth negatively, and no evidence of harm.

Several things in this section have been tested in randomised trials. This is the one where the trials are most numerous, most consistent, and pointed most directly at how a woman rates her own birth.

A Cochrane review pooled 27 randomised trials, with 26 trials and 15,858 women contributing usable data, from 17 countries. It compared continuous one-to-one support through labor against usual care.

OutcomeRelative effectIn women per 1,000
Rating the birth negativelyRR 0.69 (0.59 to 0.79), 11 trials, 11,133 women55 fewer (37 to 73 fewer)
Any pain relief in laborRR 0.90 (0.84 to 0.96), 15 trials, 12,433 women75 fewer (30 to 120 fewer)
Epidural or regional pain reliefRR 0.93 (0.88 to 0.99), 9 trials, 11,444 women48 fewer (7 to 83 fewer)
Instrumental vaginal birthRR 0.90 (0.85 to 0.96), 19 trials, 14,118 women20 fewer (8 to 30 fewer)
Low 5-minute Apgar scoreRR 0.62 (0.46 to 0.85), 14 trials, 12,615 babies6 fewer (2 to 9 fewer)
Length of laborabout 41 minutes shorter

The review also found a higher rate of spontaneous vaginal birth, RR 1.08 (1.04 to 1.12), from 21 trials and 14,369 women, and a lower cesarean rate, RR 0.75 (0.64 to 0.88), from 24 trials and 15,347 women. Those two are given here as relative figures only, because the review's absolute numbers for them could not be obtained, and it would be wrong to attach an invented baseline to them.

The reviewers' own summary of the safety question: We found no evidence of harms of continuous labour support. Certainty in the individual results was rated low to moderate.

WHO's third recommendation is that a companion of choice is recommended for all women throughout labour and childbirth. ACOG says that evidence suggests that, in addition to regular nursing care, continuous one-to-one emotional support provided by support personnel, such as a doula, is associated with improved outcomes for women in labor, and lists the benefits described in randomised trials as shortened labor, decreased need for analgesia, fewer operative deliveries, and fewer reports of dissatisfaction with the experience of labor.

A note on what this actually costsThe single best-supported intervention for how you will remember your birth is a person who stays with you. Not a machine, not a drug, not a document. If your hospital cannot guarantee continuous one-to-one nursing, and most cannot, that is the gap a companion or a doula is filling.
Say this out loud

"Who will be with me continuously, and what happens at shift change?"

"Can my companion stay with me through everything, including if I need an operating room?"

Where this comes from:
422. Bohren MA, Hofmeyr GJ, Sakala C, Fukuzawa RK, Cuthbert A. Continuous support for women during childbirth. Cochrane Database Syst Rev. 2017;7(7):CD003766.
516. American College of Obstetricians and Gynecologists' Committee on Obstetric Practice. ACOG Committee Opinion No. 766: approaches to limit intervention during labor and birth. Obstet Gynecol. 2019;133(2):e164-73. Reaffirmed 2025.
204. World Health Organization. WHO recommendations: intrapartum care for a positive childbirth experience. Geneva: World Health Organization; 2018.

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