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Keywords:

Abnormalities, Drug-Induced, Adult, Anticonvulsants, Edema, Female, Gestational Age, Humans, Neck, Pregnancy, Ultrasonography, Prenatal, Valproic Acid, Science & Technology, Life Sciences & Biomedicine, Genetics & Heredity, Obstetrics & Gynecology, ACID, 1103 Clinical Sciences, 1114 Paediatrics and Reproductive Medicine, Obstetrics & Reproductive Medicine, 3202 Clinical sciences, 3215 Reproductive medicine