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A systematic review of gender‐specific rates of unipolar and bipolar disorders in community studies of pre‐pubertal children

Gender‐specific rates of unipolar and bipolar disorders are well established for cases with post‐pubertal onset. However, there is less certainty about these rates in pre‐pubertal children. We undertook a systematic review of community studies that report gender‐specific rates for unipolar and bipolar disorders in young children, particularly cases of major depression and mania.