title: [Obstetrics].
authors.forename: Tao
authors.initials: T
authors.lastname: Duan
mesh_terms: D035843:Biomedical Research; D005260:Female; D006801:Humans; D009774:Obstetrics / Q000639:trends*; D011247:Pregnancy; D011249:Pregnancy Complications, Cardiovascular / Q000628:therapy; D016387:Women's Health