title: The possible effects of depressive symptoms on risk of preterm birth are clouded by lack of control over confounding factors.
authors: Yale University School of Medicine, , New Haven, Connecticut, USA.
authors: Kimberly A
authors: KA
authors: Yonkers
mesh_terms: D003863:Depression / Q000150:complications*; D005260:Female; D006801:Humans; D011247:Pregnancy; D047928:Premature Birth / Q000209:etiology*