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Prenatal antidepressant exposures and gastrointestinal complaints in childhood: A gut-brain axis connection?

Amy L SalisburyGeorge D PapandonatosLaura R StroudAlicia K SmithPatricia A Brennan
Published in: Developmental psychobiology (2020)
Selective serotonin/norepinephrine reuptake inhibitors (collectively, SRIs) are the most commonly prescribed antidepressant agents for the treatment of depression in pregnancy. SRIs affect maternal and placental serotonin signaling, which might impact fetal brain development. Alterations in serotonin signaling might also impact the developing gut-brain axis (GBA) via alterations in the fetal enteric nervous system (ENS). Emerging evidence suggests that gestational SRI exposure may be associated with offspring gastrointestinal problems. However, prospective human studies of the effects of fetal SRI exposure on the ENS and function are absent in the literature. In this paper we present data demonstrating significant associations between prenatal SRI exposure and children's gastrointestinal (GI) problems in two well-characterized, prospective cohorts of preschool and later childhood individuals. The results support the hypothesis that prenatal SRI exposure can increase the risk for childhood GI difficulties. Further research is warranted on the potential SRI-induced changes to the child gut including the role of the microbiome and the GBA in the development of GI problems.
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