Cochrane · systematic review · CD012024

Prenatal administration of progestogens for preventing spontaneous preterm birth in women with a multiple pregnancy

Dodd, JM, Grivell, RM, OBrien, CM, et al. · Cochrane Database of Systematic Reviews · 2019 · Cochrane Library

Pregnancy and Childbirth2 versionsAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
12
current version
GRADE rated
10
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 2 · 16.7%Very low 0 · 0%Low 5 · 41.7%Moderate 4 · 33.3%High 1 · 8.3%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Current version only

Intramuscular (IM) progesterone compared to no treatment or placebo for preventing spontaneous preterm birth in women with a multiple pregnancy

Population: Women with a multiple pregnancy
CD012024.PUB3 (current) · 6 questions
OutcomeEffectEvidenceStatus / GRADE
Perinatal death
Intramuscular (IM) progesterone vs no treatment or placebo
RR 1.45 [0.6, 3.51]6 studies · 3089 participantsLow
Downgraded: imprecision, inconsistency
Preterm birth less than 34 weeks
Intramuscular (IM) progesterone vs no treatment or placebo
RR 1.54 [1.06, 2.26]2 studies · 399 participantsLow
Downgraded: risk of bias, imprecision
Major neurodevelopmental disability at childhood
Intramuscular (IM) progesterone vs no treatment or placebo
no estimate extracted0 studies · 0 participantsUngraded
Infant birthweight less than 2500 g
Intramuscular (IM) progesterone vs no treatment or placebo
RR 0.99 [0.9, 1.08]5 studies · 4071 participantsModerate
Downgraded: inconsistency
Preterm birth less than 28 weeks
Intramuscular (IM) progesterone vs no treatment or placebo
RR 1.08 [0.75, 1.55]5 studies · 1920 participantsModerate
Downgraded: imprecision, inconsistency
Preterm birth less than 37 weeks
Intramuscular (IM) progesterone vs no treatment or placebo
RR 1.05 [0.98, 1.13]5 studies · 2010 participantsHigh

Vaginal progesterone compared to no treatment or placebo for preventing spontaneous preterm birth in women with a multiple pregnancy

Population: Women with a multiple pregnancy
CD012024.PUB3 (current) · 6 questions
OutcomeEffectEvidenceStatus / GRADE
Perinatal death
Vaginal progesterone vs no treatment or placebo
RR 1.23 [0.74, 2.06]3 studies · 2287 participantsLow
Downgraded: imprecision
Preterm birth less than 34 weeks
Vaginal progesterone vs no treatment or placebo
RR 0.9 [0.66, 1.23]5 studies · 1503 participantsLow
Downgraded: imprecision
Major neurodevelopmental disability at childhood
Vaginal progesterone vs no treatment or placebo
no estimate extracted0 studies · 0 participantsUngraded
Infant birthweight less than 2500 g
Vaginal progesterone vs no treatment or placebo
RR 0.95 [0.84, 1.07]3 studies · 2640 participantsModerate
Downgraded: inconsistency
Preterm birth less than 37 weeks
Vaginal progesterone vs no treatment or placebo
RR 0.97 [0.89, 1.06]6 studies · 1597 participantsModerate
Downgraded: imprecision
Preterm birth less than 28 weeks
Vaginal progesterone vs no treatment or placebo
RR 1.53 [0.79, 2.97]3 studies · 1345 participantsLow
Downgraded: imprecision

Intramuscular (IM) progesterone compared to no treatment or placebo for preventing spontaneous preterm birth in women with a multiple pregnancy

Population: Women with a multiple pregnancy
CD012024.PUB2 · 6 questions
OutcomeEffectEvidenceStatus / GRADE
Perinatal death
Intramuscular (IM) progesterone vs no treatment or placebo
RR 1.45 [0.6, 3.51]6 studies · 3089 participantsLow
Downgraded: imprecision, inconsistency
Preterm birth less than 34 weeks
Intramuscular (IM) progesterone vs no treatment or placebo
RR 1.54 [1.06, 2.26]2 studies · 399 participantsLow
Downgraded: risk of bias, imprecision
Major neurodevelopmental disability at childhood
Intramuscular (IM) progesterone vs no treatment or placebo
no estimate extracted0 studies · 0 participantsUngraded
Infant birthweight less than 2500 g
Intramuscular (IM) progesterone vs no treatment or placebo
RR 0.99 [0.9, 1.08]5 studies · 4071 participantsModerate
Downgraded: inconsistency
Preterm birth less than 28 weeks
Intramuscular (IM) progesterone vs no treatment or placebo
RR 1.08 [0.75, 1.55]5 studies · 1920 participantsModerate
Downgraded: imprecision, inconsistency
Preterm birth less than 37 weeks
Intramuscular (IM) progesterone vs no treatment or placebo
RR 1.05 [0.98, 1.13]5 studies · 2010 participantsHigh

Vaginal progesterone compared to no treatment or placebo for preventing spontaneous preterm birth in women with a multiple pregnancy

Population: Women with a multiple pregnancy
CD012024.PUB2 · 6 questions
OutcomeEffectEvidenceStatus / GRADE
Perinatal death
Vaginal progesterone vs no treatment or placebo
RR 1.23 [0.74, 2.06]3 studies · 2287 participantsLow
Downgraded: imprecision
Preterm birth less than 34 weeks
Vaginal progesterone vs no treatment or placebo
RR 0.83 [0.63, 1.09]6 studies · 1727 participantsLow
Downgraded: imprecision
Major neurodevelopmental disability at childhood
Vaginal progesterone vs no treatment or placebo
no estimate extracted0 studies · 0 participantsUngraded
Infant birthweight less than 2500 g
Vaginal progesterone vs no treatment or placebo
RR 0.95 [0.88, 1.03]4 studies · 3079 participantsModerate
Preterm birth less than 37 weeks
Vaginal progesterone vs no treatment or placebo
RR 0.97 [0.89, 1.06]6 studies · 1597 participantsModerate
Downgraded: imprecision
Preterm birth less than 28 weeks
Vaginal progesterone vs no treatment or placebo
RR 1.22 [0.68, 2.21]4 studies · 1569 participantsLow
Downgraded: imprecision