A new study links low levels of the hormone allopregnanolone in the second trimester of pregnancy, to the risk of developing postpartum depression.
Researchers at Johns Hopkins University in Baltimore, Md., said the findings could lead to diagnostic markers and preventive strategies for the condition, which strikes an estimated 15 to 20 percent of American women who give birth.
The small-scale study consisted of women with previously diagnosed mood disorders, with findings published online in Psychoneuroendocrinology.
Investigators said the study used an…
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