Abstract:
BACKGROUND:Pregnant women require increased levels of n-3 polyunsaturated fatty acids (PUFAs) due to the demands of the growing fetus. Although some evidence indicates that maternal intake of fish and n-3 PUFAs is associated with reduced risk of postpartum depression, the results are inconsistent. METHODS:We investigated whether dietary consumption of fish and/or n-3 PUFAs during pregnancy is associated with a reduced risk of maternal postpartum depression at 6 months after delivery and of serious mental illness at 1 year in a Japanese population. After exclusion and multiple imputation from a dataset comprising 103 062 pregnancies obtained in the Japan Environment and Children's Study, we evaluated 84 181 and 81 924 women at 6 months and 1 year after delivery, respectively. RESULTS:Multivariable logistic regression showed a reduced risk of postpartum depression at 6 months in the second to fifth quintiles v. the lowest quintile for fish and n-3 PUFA intake, with trend tests also revealing a significant linear association. At 1 year after delivery, fish intake was associated with a reduced risk of serious mental illness in the second to fifth quintiles v. the lowest quintile for fish and in the third to fifth quintiles v. the lowest quintile for n-3 PUFA intake, with trend tests also revealing a significant linear association. CONCLUSIONS:Women with higher fish and/or n-3 PUFA intake showed reduced risk of postpartum depression at 6 months after delivery and of serious mental illness at 1 year after delivery.
journal_name
Psychol Medjournal_title
Psychological medicineauthors
Hamazaki K,Matsumura K,Tsuchida A,Kasamatsu H,Tanaka T,Ito M,Inadera H,Japan Environment and Children's Study Group.doi
10.1017/S0033291719002587subject
Has Abstractpub_date
2020-10-01 00:00:00pages
2416-2424issue
14eissn
0033-2917issn
1469-8978pii
S0033291719002587journal_volume
50pub_type
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