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Published on: June 13, 2021
Postpartum depressive symptoms: the B-vitamin link
Christelle H Blunden1, Hazel M Inskip, Sian M Robinson
1GP, Southampton, UK.
Mental Health in Family Medicine
|January 2, 2013
Summary
Maternal folate and B vitamin intake during pregnancy did not impact postpartum depression risk. However, a history of mental illness was a significant predictor of developing postpartum depressive symptoms.
Area of Science:
- Obstetrics and Gynecology
- Nutritional Psychiatry
- Perinatal Mental Health
Background:
- Postpartum depressive symptoms affect a significant number of women.
- Nutritional factors, including folate and B vitamins, are explored for their potential role in perinatal mental health.
- Understanding risk factors for postpartum depression is crucial for effective prevention and intervention strategies.
Purpose of the Study:
- To investigate the longitudinal association between maternal red-cell folate status and dietary intake of folate, vitamin B6, and vitamin B12.
- To examine the relationship between these nutritional factors before and during pregnancy and the development of postpartum depressive symptoms.
Main Methods:
- A cohort study (Southampton Women's Survey) involving women aged 20-34 years.
- Collection of dietary data before pregnancy and at 11 and 34 weeks' gestation.
- Measurement of red-cell folate before pregnancy and at 11 weeks' gestation.
- Assessment of postpartum depressive symptoms using the Edinburgh Postnatal Depression Scale (EPDS) (score ≥ 13) between 6 months and 1 year postpartum.
Main Results:
- No significant differences in red-cell folate concentration or dietary intake of folate, vitamin B12, and vitamin B6 were observed between women with and without postpartum depressive symptoms.
- A history of mental illness was strongly associated with an increased risk of postpartum depressive symptoms (RR 1.83; 95% CI 1.53-2.19).
- Women who breastfed until 6 months showed a reduced likelihood of experiencing postpartum depressive symptoms (RR 0.68; 95% CI 0.55-0.84).
Conclusions:
- Maternal folate status and dietary intake of folate, B6, and B12 before and during pregnancy are not associated with postpartum depressive symptoms.
- A prior history of mental illness is a significant risk factor for postpartum depressive symptoms.
- Breastfeeding duration may play a protective role against postpartum depressive symptoms.
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