Additional file 1 of Pregnancy-related complications and perinatal outcomes following progesterone supplementation before 20 weeks of pregnancy in spontaneously achieved singleton pregnancies: a systematic review and meta-analysis

Additional file 1: Figure S1. Risk of bias assessment for included studies. Figure S2. Funnel plots for the outcomes. Figure S3. Subgroup analyses of preeclampsia. Figure S4. Forest plot diagram of secondary maternal outcomes. Figure S5. Forest plot diagrams of perinatal outcomes. Figure S6. Subgroup analyses of low birth weight. Figure S7. Leave one out meta-analysis for (A) preeclampsia and (B) low birth weight.

附加文件1：图S1为纳入研究的偏倚风险评估（Risk of bias assessment）；图S2为各结局指标的漏斗图（Funnel plots）；图S3为子痫前期（preeclampsia）的亚组分析（Subgroup analyses）；图S4为次要母体结局（secondary maternal outcomes）的森林图（Forest plot）；图S5为围产期结局（perinatal outcomes）的森林图；图S6为低出生体重（low birth weight）的亚组分析；图S7为（A）子痫前期与（B）低出生体重的逐一剔除法meta分析（Leave one out meta-analysis）。