Maternal autoimmune diseases may increase risk of mental disorders among offsprings: JAMA
Prenatal exposure to maternal autoimmune diseases was associated with increased risks of overall and type-specific mental disorders in offspring, finds a new study.
Therefore offsprings of mothers with autoimmune diseases may benefit from long-term surveillance for mental disorders.
The study has been published in the JAMA Network Open.
Maternal immune activation during pregnancy is associated with increased risks of several mental disorders in offspring during childhood, but little is known about how maternal autoimmune diseases during pregnancy are associated with mental health in offspring during and after childhood.
A study was conducted to investigate the association between maternal autoimmune diseases before childbirth and the risk of mental disorders among offspring up to early adulthood.
This population-based nationwide cohort study used data from Danish national registers on singletons born in Denmark from 1978 to 2015 with up to 38 years of follow-up. Data analyses were conducted from March 1, 2020, through September 30, 2021. Maternal autoimmune disease is diagnosed before or during pregnancy according to the Danish National Patient Register. The main outcome was mental disorders, defined by hospital diagnoses, in offspring. Cox proportional hazards regression was used to estimate hazard ratios (HRs) and 95% CIs for mental disorders.
The results of the study are:
- Of the 2 254 234 singleton infants included in the study, 2.26% were born to mothers with autoimmune diseases before childbirth.
- Exposed participants had an increased risk of overall mental disorders compared with their unexposed counterparts.
- Increased risks of overall mental disorders in offspring were seen in different age groups for type 1 diabetes and rheumatoid arthritis
- Regarding specific mental disorders, increased risk after exposure to any maternal autoimmune disorder was observed for organic disorders, schizophrenia, obsessive-compulsive disorder (HR, 1.42; 95% CI, 1.24-1.63), mood disorders (HR, 1.12; 95% CI, 1.04-1.21), and a series of neurodevelopmental disorders (eg, childhood autism [HR, 1.21; 95% CI, 1.08-1.36] and attention-deficit/hyperactivity disorder
Thus, In this cohort study in Denmark, prenatal exposure to maternal autoimmune diseases was associated with increased risks of overall and type-specific mental disorders in offspring. Maternal type 1 diabetes and rheumatoid arthritis during pregnancy were associated with offspring's mental health up to early adulthood. Individuals prenatally exposed to autoimmune disease may benefit from long-term surveillance for mental disorders.
Reference:
Association of Maternal Autoimmune Diseases With Risk of Mental Disorders in Offspring in Denmark by Hua He, et al. published in the JAMA Netw Open
doi:10.1001/jamanetworkopen.2022.7503
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