- Romero R, Conde-Agudelo A, El-Refaie W, Rode L, Brizot ML, Cetingoz E, Serra V, Da Fonseca E, Abdelhafez MS, Tabor A, Perales A, Hassan SS, Nicolaides KH. Vaginal progesterone decreases preterm birth and neonatal morbidity and mortality in women with a twin gestation and a short cervix: an updated meta-analysis of individual patient data. Ultrasound Obstet Gynecol 2017;49:303-14 pdf
- Kindinger LM, Poon LC, Cacciatore S, MacIntyre DA, Fox NS, Schuit E, Mol BW, Liem S, Lim AC, Serra V, Perales A, Hermans F, Darzi A, Bennett P, Nicolaides KH, Teoh TG. The effect of gestational age and cervical length measurements in the prediction of spontaneous preterm birth in twin pregnancies: an individual patient level meta-analysis. BJOG 2016;123:877-84 pdf
- Khalil A, Rodgers M, Baschat A, Bhide A, Gratacos E, Hecher K, Kilby MD, Lewi L, Nicolaides KH, Oepkes D, Raine-Fenning N, Reed K, Salomon LJ, Sotiriadis A, Thilaganathan B, Ville Y. ISUOG Practice Guidelines: role of ultrasound in twin pregnancy. Ultrasound Obstet Gynecol 2016;47:247-63 pdf
- Nicolaides KH, Syngelaki A, Poon LC, de Paco Matallana C, Plasencia W, Molina FS, Picciarelli G, Tul N, Celik E, Lau TK, Conturso R. Cervical pessary placement for prevention of preterm birth in unselected twin pregnancies: a randomized controlled trial. Am J Obstet Gynecol 2016;214:3.e1-9 pdf
- Houlihan C, Poon LC, Ciarlo M, Kim E, Guzman ER, Nicolaides KH. Cervical cerclage for preterm birth prevention in twin gestation with short cervix: a retrospective cohort study. Ultrasound Obstet Gynecol 2016;48:752-6 pdf
- Bevilacqua E, Gil MM, Nicolaides KH, Ordonez E, Cirigliano V, Dierickx H, Willems PJ, Jani JC. Performance of screening for aneuploidies by cell-free DNA analysis of maternal blood in twin pregnancies. Ultrasound Obstet Gynecol 2015;45:61-6 pdf
- Struble CA, Syngelaki A, Oliphant A, Song K, Nicolaides KH. Fetal fraction estimate in twin pregnancies using directed cell-free DNA analysis. Fetal Diagn Ther 2014;35:199-203 pdf
- Gil MM, Quezada MS, Bregant B, Syngelaki A, Nicolaides KH. Cell-free DNA analysis for trisomy risk assessment in first-trimester twin pregnancies. Fetal Diagn Ther 2014;35:204-11 pdf
- Ashoor G, Muto O, Poon LC, Muhaisen M, Nicolaides KH. Maternal thyroid function at gestational weeks 11-13 in twin pregnancies. Thyroid 2013;23:1165-71
- Sana Y, Appiah A, Davison A, Nicolaides KH, Johns J, Ross JA. Clinical significance of first-trimester chorionic bumps: a matched case-control study. Ultrasound Obstet Gynecol 2013;42:585-9
- Nicolaides KH. Turning the pyramid of prenatal care. Fetal Diagn Ther 2011;29:183-96 pdf
- Wright D, Syngelaki A, Staboulidou I, Cruz JJ, Nicolaides KH. Screening for trisomies in dichorionic twins by measurement of fetal nuchal translucency thickness according to the mixture model. Prenat Diagn 2011;31:16-21 pdf
- Rode L, Klein K, Nicolaides K, Krampl-Bettelheim E, Tabor A. Prevention of preterm delivery in twin gestations (PREDICT): A multicentre randomised placebo-controlled trial on the effect of vaginal micronised progesterone. Ultrasound Obstet Gynecol 2011;38:272-80 pdf
- Papaioannou GI, Syngelaki A, Maiz N, Ross JA, Nicolaides KH. Prediction of outcome in dichorionic twin pregnancies at 6-10 weeks' gestation. Am J Obstet Gynecol 2011;205:3481-5
- Madsen HN, Ball S, Wright D, Tørring N, Petersen OB, Nicolaides KH, Spencer K. A reassessment of biochemical marker distributions in trisomy 21-affected and unaffected twin pregnancies in the first trimester. Ultrasound Obstet Gynecol 2011;37:38-47 pdf
- Nicolaides KH. A model for a new pyramid of prenatal care based on the 11 to 13 weeks' assessment. Prenat Diagn 2011;31:3-6 pdf
- Spencer K, Staboulidou I, Nicolaides KH. First trimester aneuploidy screening in the presence of a vanishing twin: implications for maternal serum markers. Prenat Diagn 2010;30:235-40 pdf
- Maiz N, Nicolaides KH. Ductus venosus in the first trimester: contribution to screening of chromosomal, cardiac defects and monochorionic twin complications. Fetal Diagn Ther 2010;28:65-71 pdf
- Maiz N, Staboulidou I, Leal AM, Minekawa R, Nicolaides KH. Ductus venosus Doppler at 11 to 13 weeks of gestation in the prediction of outcome in twin pregnancies. Obstet Gynecol 2009;113:860-5
- Spencer K, Kagan KO, Nicolaides KH. Screening for trisomy 21 in twin pregnancies in the first trimester: an update of the impact of chorionicity on maternal serum markers. Prenat Diagn 2008;28:49-52 pdf