title: Preimplantation genetic diagnosis--counting chickens before they hatch?
authors.forename: A L
authors.initials: AL
authors.lastname: Trounson
mesh_terms: D002869:Chromosome Aberrations / Q000175:diagnosis*; D025063:Chromosome Disorders; D003951:Diagnostic Errors; D047108:Embryonic Development / Q000235:genetics*; D005260:Female; D006801:Humans; D016133:Polymerase Chain Reaction; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*