Christos Ioannou's publications


Aderoba AK, Ioannou C, Kurinczuk JJ, Quigley MA, Cavallaro A, Impey L; Oxford Growth Restriction Identification Programme (OxGRIP) Group.
The impact of a universal late third-trimester scan for fetal growth restriction on perinatal outcomes in term singleton births: A prospective cohort study.
BJOG. 2023 Jun;130(7):791-802.

Garbagnati M, Aye CYL, Cavallaro A, Mathewlynn S, Ioannou C, Impey L.
Ultrasound predictors of adverse outcome in pregnancy complicated by pre-existing and gestational diabetes.
Acta Obstet Gynecol Scand. 2022 Jul;101(7):787-793.

Mathewlynn S, Impey L, Ioannou C.
Detection of small- and large-for-gestational age using different combinations of prenatal and postnatal charts.
Ultrasound Obstet Gynecol. 2022 Sep;60(3):373-380

Horton-Bell M, Hamilton S, Keelagher R, Allen S, De Burca A, Ioannou C, Impey L, Cilliers D.
Prenatal diagnosis of PERCHING syndrome caused by homozygous loss of function variant in the KLHL7 gene.
Prenat Diagn. 2022 Nov;42(12):1481-1483.

Mathewlynn S, Beriwal S, Ioannou C, Cavallaro A, Impey L.
Abnormal umbilical artery pulsatility index in appropriately grown fetuses in the early third trimester: an observational cohort study.
J Matern Fetal Neonatal Med. 2022 Dec 8:1-8.

Self A, Daher L, Schlussel M, Roberts N, Ioannou C, Papageorghiou AT.
Second and third trimester estimation of gestational age using ultrasound or maternal symphysis-fundal height measurements: A systematic review.
BJOG. 2022 Feb 14. doi: 10.1111/1471-0528.17123.

Drukker L, Droste R, Ioannou C, Impey L, Noble JA, Papageorghiou AT.
Function and Safety of SlowflowHD Ultrasound Doppler in Obstetrics.
Ultrasound Med Biol. 2022 Mar 14:S0301-5629(22)00075-8. doi: 10.1016/j.ultrasmedbio.2022.02.012.

Papageorghiou AT, Hulme R, Khalil A; IONA TWIN study Working Group, Archer R, Hutchinson V, Mousa HA, Johnstone ED, Cameron MJ, Cohen KE, Ioannou C, Kelly B, Reed K.
Cell-free DNA in twin pregnancy: time to change screening recommendations.
Am J Obstet Gynecol. 2021 Jun;224(6):639-640. 

Donadono V, Cavallaro A, Roberts NW, Ioannou C, Papageorghiou AT, Napolitano R.
A Systematic Review of Methodology Used in Studies Aimed at Creating Charts of Fetal Brain Structures.
Diagnostics (Basel). 2021 May 21;11(6):916. 

Procas-Ramon B, Hierro-Espinosa C, Salim I, Impey L, Ioannou C.
The impact of individual sonographer variation on the detection of small for gestational age fetuses using a third trimester growth scan.
J Clin Ultrasound. 2021 Jun;49(5):442-450.

Khalil A, Archer R, Hutchinson V, Mousa HA, Johnstone ED, Cameron MJ, Cohen KE, Ioannou C, Kelly B, Reed K, Hulme R, Papageorghiou AT.
Noninvasive prenatal screening in twin pregnancies with cell-free DNA using the IONA test: a prospective multicenter study.
Am J Obstet Gynecol. 2021 Jul;225(1):79.e1-79.e13.

Drukker L, Cavallaro A, Salim I, Ioannou C, Impey L, Papageorghiou AT.
How often do we incidentally find a fetal abnormality at the routine third-trimester growth scan?
A population-based study. Am J Obstet Gynecol. 2020 Dec;223(6):919

Volpe G, Ioannou C, Cavallaro A, Vannuccini S, Ruiz-Martinez S, Impey L.
The influence of fetal sex on the antenatal diagnosis of small for gestational age.
J Matern Fetal Neonatal Med. 2019 Jun;32(11):1832-1837.

De Burca A, Ioannou C, Vandersteen A, Pope FM, Cilliers DD.
Intrafamilial variability of clinical features in distal arthrogryposis type 2B.
Clin Dysmorphol. 2019 Jan;28(1):35-37.

Ruiz-Martinez S, Volpe G, Vannuccini S, Cavallaro A, Impey L, Ioannou C.
An objective scoring method to evaluate image quality of middle cerebral artery Doppler.
J Matern Fetal Neonatal Med. 2018 Jun 27:1-181.

Easter SR, Eckert LO, Boghossian N, Spencer R, Oteng-Ntim E, Ioannou C, et al. Brighton Collaboration Fetal Growth Restriction Working Group.
Fetal growth restriction: Case definition & guidelines for data collection, analysis, and presentation of immunization safety data.
Vaccine. 2017 Dec 4;35(48 Pt A):6546-6554.

Vannuccini S, Ioannou C, Cavallaro A, Volpe G, Ruiz-Martinez S, Impey L.
A reference range of fetal abdominal circumference growth velocity between 20 and 36 weeks' gestation.
Prenat Diagn. 2017 Nov;37(11):1084-1092.

Cavallaro A, Ash ST, Napolitano R, Wanyonyi S, Ohuma EO, Molloholli M, Sande J, Sarris I, Ioannou C, et al.
Quality control of ultrasound for fetal biometry: results from the INTERGROWTH-21st Project.
Ultrasound Obstet Gynecol. 2017 Jul 18. 

Bridge CP, Ioannou C, Noble JA.
Automated annotation and quantitative description of ultrasound videos of the fetal heart.
Med Image Anal. 2016 Nov 19;36:147-161. 

Ioannou C
Maternal Vitamin D Deficiency and Fetal Growth.
Donald School Journal of Ultrasound in Obstetrics and Gynecology 2015;9:223-229

Sande JA, Ioannou C, Sarris I et al.
Reproducibility of measuring amniotic fluid index and single deepest vertical pool throughout gestation.
Prenat Diagn. 2015 May;35(5):434-9.

Napolitano R, Dhami J, Ohuma EO, Ioannou C et al.
Pregnancy dating by fetal crown-rump length: a systematic review of charts.
BJOG. 2014 Apr;121(5):556-65.

Ioannou C, Sarris I, Napolitano R et al.
A longitudinal study of normal fetal femur volume.
Prenat Diagn. 2013 Nov;33(11):1088-94.

Papageorghiou AT, Sarris I, Ioannou C et al.
Ultrasound methodology used to construct the fetal growth standards in the INTERGROWTH-21st Project.
BJOG. 2013 Sep;120 Suppl 2:27-32.

Sarris I, Ioannou C, Ohuma EO et al.
Standardisation and quality control of ultrasound measurements taken in the INTERGROWTH-21st Project.
BJOG. 2013 Sep;120 Suppl 2:33-7.

Yaqub MK, Ioannou C, Javaid MK et al.
Fusion of 3D Ultrasound Images of the Fetal Femur Improves Boundary Definition and Volume Measurement.
Fetal Diagn Ther. 2013;34(3):158-65. 

Ioannou C, Sarris I, Hoch L et al.
Standardisation of crown-rump length measurement.
BJOG. 2013 Sep;120 Suppl 2:38-41.

Hegarty J, Ismail AQ, Ioannou C et al. 
Intrapartum antibiotic prophylaxis for prevention of group B streptococcal disease in preterm infants. 
Arch Dis Child Fetal Neonatal Ed. 2013 Mar;98(2):F188. 

Sarris I, Ohuma E, Ioannou C et al.
Fetal biometry: how well can offline measurements from 3D volumes substitute real time 2D measurements?
Ultrasound Obstet Gynecol. 2013 Nov;42(5):560-70.

Ioannou C, Javaid MK, Mahon P et al.
The effect of maternal vitamin D concentration on fetal bone.
J Clin Endocrinol Metab. 2012 Nov;97(11):E2070-7.

Ioannou C, Talbot K, Ohuma E et al.
Systematic review of methodology used in ultrasound studies aimed at creating charts of fetal size.
BJOG. 2012 Nov;119(12):1425-39.

Sarris I, Ioannou C, Chamberlain P et al.
Intra- and inter- observer variability in fetal measurements by ultrasound.
Ultrasound Obstet Gynecol. 2012; 39: 266–273.

Ioannou C, Sarris I, Javaid MK, Papageorghiou AT.
Sphenoidal fontanelle area measurement on rendered 3D ultrasound.
Prenat Diagn. 2012 Jun;32(6):592-5. 

Ioannou C, Sarris I, Salomon LJ et al.
A review of fetal volumetry: the need for standardization and definitions in measurement methodology.
Ultrasound Obstet Gynecol. 2011;38: 613–619.

Sarris I, Ioannou C, Dighe M et al.
Standardization of fetal ultrasound biometry measurements: improving the quality and consistency of measurements.
Ultrasound Obstet Gynecol. 2011;38(6): 681–687.

Ioannou C, Sarris I, Yaqub M at al.
Surface area measurement using rendered three dimensional ultrasound imaging: an in vitro phantom study.
Ultrasound Obstet Gynecol. 2011;38(4):445-449.

Ioannou C.
Overlapping compared with end-to-end repair of third- and fourth-degree obstetric anal sphincter tears: a randomized controlled trial.
Obstet Gynecol. 2010 Nov;116(5):1223; author reply 223

Ioannou C, Wayne C.
Diagnosis and management of vasa previa: a questionnaire survey.
Ultrasound Obstet Gynecol. 2010 Feb;35(2):205-9.