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Eur Psychiatry. 2017 Jun;43:99-108. doi: 10.1016/j.eurpsy.2017.03.001. Epub 2017 Mar 18.

Seasonal patterns in self-reported peripartum depressive symptoms.

Author information

1
Department of Women's and Children's Health, Uppsala University, Uppsala University Hospital, 75185 Uppsala, Sweden. Electronic address: hanna.henriksson@kbh.uu.se.
2
Department of Women's and Children's Health, Uppsala University, Uppsala University Hospital, 75185 Uppsala, Sweden; Department of Neuroscience, Psychiatry, Uppsala University, Uppsala, Sweden.
3
Department of Women's and Children's Health, Uppsala University, Uppsala University Hospital, 75185 Uppsala, Sweden.
4
Department of Neuroscience, Psychiatry, Uppsala University, Uppsala, Sweden.

Abstract

BACKGROUND:

In the peripartum period, the literature on seasonality in depression is still scarce and studies present varying findings. The aims of this study were to investigate whether seasonal patterns in postpartum depressive symptoms previously identified in a Swedish study could be replicated in a larger study, as well as to assess seasonal patterns in depressive symptoms during pregnancy.

METHODS:

This was a nested case-control study comprised of 4129 women who participated in the BASIC project and gave birth at Uppsala University Hospital, Uppsala, Sweden, between February 2010 and December 2015.

RESULTS:

Women who gave birth in October-December 2011 had an increased odds of depressive symptoms at 6 weeks postpartum, when compared with women giving birth in April-June 2011 (aOR=2.42; 95% CI: 1.12-5.26). The same pattern was found among women with a history of depression. No other seasonal patterns for depressive symptoms during pregnancy or at 6 weeks postpartum were identified.

CONCLUSIONS:

In general, no consistent seasonal patterns were found in peripartum depressive symptoms. Whether the seasonal patterns found in some studies during certain years may be due to other factors relating to specific years and seasons, such as extreme climatic conditions or other particular events, warrants further investigation.

KEYWORDS:

Antenatal depression; BASIC study; Depressive symptoms; Peripartum depression; Postpartum depression; Seasonality

PMID:
28391103
DOI:
10.1016/j.eurpsy.2017.03.001
[Indexed for MEDLINE]

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