Effects of Interaction Between Gestational Hypertension and History of Preterm Birth on the Risk of Preterm Birth: An Analysis Based on the National Vital Statistics System Database

Xiaoqin Cao; Daoming Zu; Yang Liu

doi:10.12659/MSM.935094

20 April 2022 : Clinical Research

Effects of Interaction Between Gestational Hypertension and History of Preterm Birth on the Risk of Preterm Birth: An Analysis Based on the National Vital Statistics System Database

Xiaoqin Cao^1AE, Daoming Zu^2BCD, Yang Liu^1AE*

DOI: 10.12659/MSM.935094

Med Sci Monit 2022; 28:e935094

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Figure 1 Flowchart of selecting study participants from U.S. National Vital Statistics System 2019 database (Drawio version 13.9.9, diagrams.net).

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Effects of Interaction Between Gestational Hypertension and History of Preterm Birth on the Risk of Preterm Birth: An Analysis Based on the National Vital Statistics System Database

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