The Use of Medicines before and during Pregnancy — Preliminary Results from an Epidemiological Study of Congenital Defects
The importance of prospective studies in epidemiological research on congenital malformations is well recognized (1,2). The major advantages are: (a) information is obtained close to the event, i.e., illness or drug intake; (b) information is obtained without bias of the knowledge of the outcome of pregnancy; (c) more accurate incidence figures can be obtained as material from incomplete pregnancies and stillbirths may be included; (d) serum can be taken throughout pregnancy and sub-clinical infections can be determined by antibody measurements.
KeywordsCongenital Malformation Menstrual Period Maternity Unit Post Abortion Special Medical CARE
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