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Retrospective study reveals rising hypertensive disorders and severe maternal complications at or beyond 39 weeks, highlighting critical risks in late pregnancy.
OBJECTIVE: Estimate the prevalence of hypertensive disorder of pregnancy (HDP) at term, define population characteristics, and calculate adverse maternal outcomes. METHODS: Retrospective study. RESULTS: We included 4,702,468 pregnancies. HDP increased linearly from 4.5% (2014) to 6.0% (2018). HDP was more frequent among black (PR 1.19), obese (PR 2.31 to 3.70), with gestational (PR 1.87) or pregestational diabetes (PR 2.16). Increased transfusion (PR 2.52), intensive care unit admission (PR 3.38), and unplanned hysterectomy (PR 1.78) with HDP. CONCLUSION: Our study quantifies the increased risks for maternal and neonatal complications related to the development of HDP at or beyond 39 weeks among nulliparous women.
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Fronek et al. (2023) studied this question.
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