Researchers from the Medical Research Council in the U.K. have been looking into the levels of postnatal depression experienced by mothers and fathers and what might make some people more vulnerable to suffering from it. They looked at data from 86,957 families seen in primary-care clinics between 1993 and 2007. They found that more than a third of mothers and about a fifth of fathers had an episode of depression between their child's birth and their 12th birthday. In any one year 7.53% of mothers and 2.69% of fathers suffered from depression but there was a greater risk - 13.93% in mothers and 3.56% in fathers - in a child's first year. Depression was most likely to occur in parents with a history of depression, those who were aged 15 to 24 when their child was born and those who were more socially deprived.
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