title: Sonographic prenatal diagnosis of marginal placental cord insertion: clinical importance.
abstract: OBJECTIVE
  To assess the impact of a sonographic diagnosis of marginal placental cord insertion on birth weight and duration of pregnancy.
  
  
  METHODS
  A retrospective chart review was performed for 100 singleton pregnancies with prospectively identified marginal placental cord insertion.
  
  
  RESULTS
  Birth weights below the 10th percentile occurred in 6.25% of pregnancies without preeclampsia. Spontaneous preterm delivery occurred in 7.3% of pregnancies without preeclampsia. Rates of birth weight below the 10th percentile and preterm delivery were not significantly different from those in the general population. Preeclampsia developed in 4 patients; all had elective preterm deliveries, and all gave birth to neonates with birth weights below the 10th percentile.
  
  
  CONCLUSIONS
  A prenatal diagnosis of marginal placental cord insertion is not associated with increased risk of growth impairment or preterm delivery.
authors.affiliation: Department of Radiology, University of California, San Diego, USA.
authors.forename: Charles C
authors.initials: CC
authors.lastname: Liu
authors.forename: Dolores H
authors.initials: DH
authors.lastname: Pretorius
authors.forename: Angela L
authors.initials: AL
authors.lastname: Scioscia
authors.forename: Andrew D
authors.initials: AD
authors.lastname: Hull
mesh_terms: D000328:Adult; D001724:Birth Weight; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D010920:Placenta / Q000000981:diagnostic imaging*; D011247:Pregnancy; D011248:Pregnancy Complications / Q000000981:diagnostic imaging*; D011263:Pregnancy Trimester, Third; D012189:Retrospective Studies; D016216:Ultrasonography, Prenatal; D014470:Umbilical Cord / Q000000981:diagnostic imaging*