Hypertension research : official journal of the Japanese Society of Hypertension
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This literature review was conducted to provide better counsel to pregnant women who erroneously took angiotensin receptor blockers (ARBs) during the second and/or third trimesters regarding infant outcomes. Information was available on 83 fetuses in 34 literature reports, including one that we encountered recently. Fourteen pregnancies were terminated, and six were unknown regarding status of amniotic fluid volume (AFV). ⋯ Thus, a favorable outcome may be feasible if the fetuses are not indicated for prompt delivery at presentation and exhibit normal AFV or resolution of oligohydramnios after cessation of ARBs. Although the prevalence rate of oligohydramnios was high in this study, it may have been due to publication bias. A prospective study suggested a lower prevalence rate than that reported in the present study.