title: Low-phenylalanine diets for pregnant PKU heterozygotes are unnecessary.
mesh_terms: D004032:Diet; D005260:Female; D006801:Humans; D010649:Phenylalanine / Q000097:blood; D010661:Phenylketonurias / Q000235:genetics*; D011247:Pregnancy; D011295:Prenatal Care
chemical_list: D010649:Phenylalanine