What do systematic reviews say?

Probiotics administered to pregnant women at risk of preterm birth vs placebo or no intervention

• Maternal probiotic supplementation for prevention of morbidity and mortality in preterm infants 2018 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 298 participants
  Low

Probiotics administered to pregnant women at risk of preterm birth vs placebo or no intervention

The review found no eligible studies for this question.

• Maternal probiotic supplementation for prevention of morbidity and mortality in preterm infants 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found