Further tests of the hypothesis that influenza in pregnancy causes malformations.
D002675:Child, Preschool; D002971:Cleft Lip / Q000453:epidemiology; D000013:Congenital Abnormalities / Q000453:epidemiology / Q000209:etiology*; D004196:Disease Outbreaks; D004739:England; D005163:Factor Analysis, Statistical; D005260:Female; D005865:Gestational Age; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007251:Influenza, Human / Q000150:complications*; D017880:Limb Deformities, Congenital; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious; D014481:United States; D014852:Wales