Importance Several maternal exposures during pregnancy are considered predisposing
factors for offspring neurodevelopmental conditions. However, many of these exposures …

Importance Early-life exposures, such as prenatal maternal lifestyle, illnesses, nutritional
deficiencies, toxin levels, and adverse birth events, have long been considered potential risk …

Objective Prenatal maternal symptoms of depression and anxiety are associated with an
increased risk for child socioemotional and behavioral difficulties, supporting the fetal origins …

Background Maternal Smoking During Pregnancy (SDP) has consistently been associated
with increased risk of attention‐deficit/hyperactivity disorder (ADHD) in offspring, but recent …

Purpose Parental severe mental illness (SMI) is associated with an increased risk of
offspring autism spectrum disorder (ASD) and attention deficit hyperactivity disorder (ADHD) …

Background Prenatal smoking exposure has been associated with attention-
deficit/hyperactivity disorder (ADHD). ADHD is commonly associated with a wide spectrum …

Although a growing body of evidence supports the hypothesis that exposure to obstetric
complications (OCs) increases the vulnerability for schizophrenia, some questions remain …

Identifying prenatal environmental factors that have genuinely causal effects on
psychopathology is an important research priority, but it is crucial to select an appropriate …

BackgroundFew large studies describe links between maternal mental illness and risk of
major birth defect in offspring. Evidence is sparser still for how effects vary between maternal …

OBJECTIVE: The aim of this study was to examine whether smoking during pregnancy is
associated with symptoms of attention deficit hyperactivity disorder (ADHD) in offspring and …