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Fig. 1 | BMC Pregnancy and Childbirth

Fig. 1

From: Associations between first-trimester intrauterine hematoma and twin pregnancy outcomes: a retrospective cohort study

Fig. 1

Flowchart showing the study selection of women with twin pregnancy and the incidence of pregnancy outcomes according to the presence or absence of intrauterine hemorrhage. IUH=Intrauterine hemorrhage. Antenatal complications include stillbirth, preterm labor, preeclampsia, and low birth weight. Delivery complications include postpartum hemorrhage and fetal distress

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