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. Author manuscript; available in PMC: 2020 Mar 27.
Published in final edited form as: Am J Obstet Gynecol MFM. 2019 Mar 27;1(1):50–62. doi: 10.1016/j.ajogmf.2019.03.001

FIGURE 4. Oral progesterone vs placebo metaanalysis.

FIGURE 4

Forest plots of outcomes of preterm birth at A, <37 and B, <34 weeks gestation.

Cl, confidence interval; M-H, Mantel-Haenszel.