title: Pregnant women lacking vitamin D.
mesh_terms: D019587:Dietary Supplements; D005260:Female; D006801:Humans; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology*; D014481:United States / Q000453:epidemiology; D014808:Vitamin D Deficiency / Q000150:complications* / Q000453:epidemiology / Q000517:prevention & control