title: Preconception and genetic counselling.
authors.forename: H B
authors.initials: HB
authors.lastname: Wong
mesh_terms: D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D002875:Chromosomes / Q000032:analysis; D005260:Female; D005306:Fertilization; D005333:Fetus / Q000032:analysis; D005817:Genetic Counseling; D030342:Genetic Diseases, Inborn / Q000517:prevention & control; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D013997:Time Factors