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Screening for trisomy 21 in twin pregnancies in the first trimester: an update of the impact of chorionicity on maternal serum markers.
Spencer K, Kagan KO, Nicolaides KH.
Prenat Diagn 2008;28:49-52. -
Prenasal thickness in trisomy-21 fetuses at 16-24 weeks of gestation.
Persico N, Borenstein M, Molina F, Azumendi G, Nicolaides KH.
Ultrasound Obstet Gynecol 2008;32:751-4. -
Frontomaxillary facial angle in trisomy 21 fetuses at 16-24 weeks of gestation.
Molina F, Persico N, Borenstein M, Sonek J, Nicolaides KH.
Ultrasound Obstet Gynecol 2008;31:384-7. -
Screening for trisomy 21 by maternal age, fetal nuchal translucency thickness, free beta-human chorionic gonadotropin and pregnancy-associated plasma protein-A.
Kagan KO, Wright D, Baker A, Sahota D, Nicolaides KH.
Ultrasound Obstet Gynecol 2008;31:618-24. -
First-trimester screening for trisomy 21 by free beta-human chorionic gonadotropin and pregnancy-associated plasma protein-A: impact of maternal and pregnancy characteristics.
Kagan KO, Wright D, Spencer K, Molina FS, Nicolaides KH.
Ultrasound Obstet Gynecol 2008;31:493-50. -
Choroid plexus cyst, intracardiac echogenic focus, hyperechogenic bowel and hydronephrosis in screening for trisomy 21 at 11 + 0 to 13 + 6 weeks.
Dagklis T, Plasencia W, Maiz N, Duarte L, Nicolaides KH.
Ultrasound Obstet Gynecol 2008;31:132-5. -
Frontomaxillary facial angle in screening for trisomy 21 at 11 + 0 to 13 + 6 weeks.
Borenstein M, Persico N, Kagan KO, Gazzoni A, Nicolaides KH.
Ultrasound Obstet Gynecol 2008;32:5-11.