The see-saw effect of neuroactive steroids and endocrine disrupting compounds on maternal mental health status.

Neurotoxicology

Department of Psychiatry, SRM Medical College Hospital and Research Centre, Chengalpattu Dt, Kattankulthur, Tamil Nadu 603203, India. Electronic address:

Published: March 2025

Background: Antepartum depression, a non-psychotic mood disturbance occurring during pregnancy, is influenced by hormonal fluctuations and environmental endocrine disruptors. Despite its association with adverse postpartum outcomes, it has been studied to a limited extent. Hence, this study aims to investigate the association of neuroactive steroids, endocrine-disrupting compounds, and nutritional status of pregnant women with the manifestations of antepartum depressive symptoms.

Materials And Methods: This cross-sectional study assessed 400 pregnant women in their third trimester for depressive symptoms using the Edinburgh Postnatal Depression Scale (EPDS) and evaluated for severity using the Beck Depression Inventory-II. The concentrations of allopregnanolone, DHEA-S, bisphenol A, methyl paraben, estradiol, progesterone, oxytocin, vitamin B, folic acid, vitamin D, iron, magnesium and zinc were analysed. Statistical analysis included Mann Whitney U test, Chi-square test, Spearman Correlation, and Logistic regression.

Results: The prevalence of antepartum depressive symptoms was 23 %. Allopregnanolone, DHEA-S, bisphenol A, methyl paraben, estradiol, oxytocin, and TSH levels were associated with depressive symptoms. Reduced levels of allopregnanolone, DHEA-S, and estradiol, along with elevated bisphenol A levels, were identified as significant independent risk factors for antepartum depressive symptoms. Selective micronutrient deficiency was also noted. Risk cutoff for antepartum depressive symptoms was established for allopregnanolone (≤17.9 ng/ml), DHEA-S (≤0.20 µg/ml), bisphenol A (≥2027.1 pg/ml), and methyl paraben (≥1.15 µg/ml).

Conclusion: Our study on 400 antepartum women showed a 23 % prevalence of depressive symptoms, with significant association reported with reduced neuroactive steroids, elevated endocrine disruptors, lower reproductive hormones, and micronutrient deficiency. These findings emphasize the need for comprehensive screening, monitored nutritional supplementation, and hormonal assessments in effectively managing pregnancy-related depressive symptoms.

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http://dx.doi.org/10.1016/j.neuro.2025.02.007DOI Listing

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