title: The challenge of prenatal diagnosis in twin pregnancies.
abstract: Prenatal diagnosis in multiple gestations poses unique problems. The use of screening modalities is limited, diagnostic procedures are more complicated, and the management of discordant results may be required. This article reviews work, both past and present, regarding these issues.
authors.affiliation: Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine, Jefferson Medical College, Thomas Jefferson University, Philadelphia, PA 19107-5083, USA.
authors.forename: T M
authors.initials: TM
authors.lastname: Jenkins
authors.forename: R J
authors.initials: RJ
authors.lastname: Wapner
mesh_terms: D000649:Amniocentesis / Q000009:adverse effects; D000782:Aneuploidy; D015193:Chorionic Villi Sampling / Q000009:adverse effects; D005260:Female; D006801:Humans; D011247:Pregnancy; D018607:Pregnancy Reduction, Multifetal; D011272:Pregnancy, Multiple; D011296:Prenatal Diagnosis; D014427:Twins