Key article abstracts in Chinese

Diagnosis of fetal non‐chromosomal abnormalities on routine ultrasound examination at 11–13 weeks' gestation
A. Syngelaki A. Hammami S. Bower V. Zidere R. Akolekar K. H. Nicolaides

Risk of miscarriage following amniocentesis or chorionic villus sampling: systematic review of literature and updated meta‐analysis
L. J. Salomon A. Sotiriadis C. B. Wulff A. Odibo R. Akolekar

Maternal and neonatal complications of fetal macrosomia: systematic review and meta‐analysis
J. Beta N. Khan A. Khalil M. Fiolna G. Ramadan R. Akolekar

Maternal and neonatal complications of fetal macrosomia: cohort study
J. Beta N. Khan M. Fiolna A. Khalil G. Ramadan R. Akolekar

Effectiveness on fertility outcome of tubal flushing with different contrast media: systematic review and network meta‐analysis
R. Wang N. van Welie J. van Rijswijk N. P. Johnson R. J. Norman K. Dreyer V. Mijatovic B. W. Mol

Neurodevelopmental disorder in children believed to have isolated mild ventriculomegaly prenatally
E. Thorup L. N. Jensen G. S. Bak C. K. Ekelund G. Greisen D. S. Jørgensen S. G. Hellmuth C. Wulff O. B. Petersen L. H. Pedersen A. Tabor

Diagnostic accuracy of saline contrast sonohysterography in detecting endometrial polyps in women with postmenopausal bleeding: systematic review and meta‐analysis
A. J. Vroom  A. Timmermans  M. Y. Bongers  E. R. van den Heuvel  P. M. A. J. Geomini  N. van Hanegem

Prediction of pre‐eclampsia: review of reviews
R. Townsend  A. Khalil  Y. Premakumar  J. Allotey  K. I. E. Snell  C. Chan  L. C. Chappell  R. Hooper  M. Green  B. W. Mol  B. Thilaganathan  S. Thangaratinam  on behalf of the IPPIC Network

Screening for trisomies by cfDNA testing of maternal blood in twin pregnancy: update of The Fetal Medicine Foundation results and meta‐analysis
M. M. Gil  S. Galeva  J. Jani  L. Konstantinidou  R. Akolekar  M. N. Plana  K. H. Nicolaides

Premature placental aging in term small‐for‐gestational‐age and growth‐restricted fetuses
C. Paules A. P. Dantas J. Miranda F. Crovetto E. Eixarch V. Rodriguez‐Sureda C. Dominguez G. Casu C. Rovira A. Nadal F. Crispi E. Gratacós

Added value of chromosomal microarray analysis over conventional karyotyping in stillbirth work‐up: systematic review and meta‐analysis
R. J. Martinez‐Portilla M. Pauta A. Hawkins‐Villarreal M. Rial‐Crestelo F. Paz y Miño I. Madrigal F. Figueras A. Borrell

Reference ranges for Doppler indices of umbilical and fetal middle cerebral arteries and cerebroplacental ratio: systematic review
D. Oros  S. Ruiz‐Martinez  E. Staines‐Urias  A. Conde‐Agudelo  J. Villar  E. Fabre  A. T. Papageorghiou

Hysterotomy level at Cesarean section and occurrence of large scar defects: a randomized single‐blind trial
O. Vikhareva  G. S. Rickle  T. Lavesson  E. Nedopekina  K. Brandell  K. Å. Salvesen

Levator ani muscle morphology and function in women with obstetric anal sphincter injury
I. Volløyhaug A. Taithongchai I. Van Gruting A. Sultan R. Thakar

Prenatal brain imaging for predicting need for postnatal hydrocephalus treatment in fetuses that had neural tube defect repair in utero
A. Zarutskie C. Guimaraes M. Yepez P. Torres A. Shetty H. Sangi‐Haghpeykar W. Lee J. Espinoza A. A. Shamshirsaz A. Nassr M. A. Belfort W. E. Whitehead M. Sanz Cortes

Routine first‐trimester screening for fetal trisomies in twin pregnancy: cell‐free DNA test contingent on results from combined test
S. Galeva  L. Konstantinidou  M. M. Gil  R. Akolekar  K. H. Nicolaides

Perinatal mortality, timing of delivery and prenatal management of monoamniotic twin pregnancy: systematic review and meta‐analysis
F. D'Antonio  A. Odibo  V. Berghella  A. Khalil  K. Hack  G. Saccone  F. Prefumo  D. Buca  M. Liberati G. Pagani  G. Acharya

Sonographic examination of uterine niche in non‐pregnant women: a modified Delphi procedure
I. P. M. Jordans  R. A. de Leeuw  S. I. Stegwee  N. N. Amso  P. N. Barri‐Soldevila  T. van den Bosch T. Bourne  H. A. M. Brölmann  O. Donnez  M. Dueholm  W. J. K. Hehenkamp  N. Jastrow  D. Jurkovic R. Mashiach  O. Naji  I. Streuli  D. Timmerman  L. F. van der Voet  J. A. F. Huirne

Maternal and perinatal outcomes after elective induction of labor at 39 weeks in uncomplicated singleton pregnancy: a meta‐analysis
A. Sotiriadis  S. Petousis  B. Thilaganathan  F. Figueras  W. P. Martins  A. O. Odibo  K. Dinas  J. Hyett

Metformin for prevention of hypertensive disorders of pregnancy in women with gestational diabetes or obesity: systematic review and meta‐analysis of randomized trials
E. Kalafat Y. E. Sukur A. Abdi B. Thilaganathan A. Khalil

Randomised Italian Sonography for occiput POSition Trial Ante vacuum (R.I.S.POS.T.A.)
T. Ghi  A. Dall'Asta B. Masturzo B. Tassis M. Martinelli N. Volpe F. Prefumo G. Rizzo G. Pilu L. Cariello L. Sabbioni A. M. Morselli‐Labate T. Todros T. Frusca

Birth‐weight discordance and neonatal morbidity in twin pregnancy: analysis of STORK multiple pregnancy cohort
F. D'Antonio B. Thilaganathan A. Laoreti A. Khalil the Southwest Thames Obstetric Research Collaborative (STORK)

Outcome reporting across randomized trials and observational studies evaluating treatments for twin–twin transfusion syndrome: systematic review
H. Perry J. M. N. Duffy O. Umadia A. Khalil the International Collaboration to Harmonise Outcomes for Twin–Twin Transfusion Syndrome (CHOOSE)

Predictive accuracy of cerebroplacental ratio for adverse perinatal and neurodevelopmental outcomes in suspected fetal growth restriction: systematic review and meta‐analysis
A. Conde‐Agudelo J. Villar S. H. Kennedy A. T. Papageorghiou

Prediction of preterm delivery in symptomatic women using PAMG‐1, fetal fibronectin and phIGFBP‐1 tests: systematic review and meta‐analysis
J. C. Melchor A. Khalil D. Wing E. Schleussner D. Surbek

Maternal hemodynamics, fetal biometry and Doppler indices in pregnancies followed up for suspected fetal growth restriction
L. A. Roberts H. Z. Ling L. C. Poon K. H. Nicolaides N. A. Kametas

Longitudinal growth assessment for prediction of adverse perinatal outcome in fetuses suspected to be small‐for‐gestational age
J. Caradeux E. Eixarch E. Mazarico T. R. Basuki E. Gratacos F. Figueras

Influence of prenatal diagnosis of abnormally invasive placenta on maternal outcome: systematic review and meta‐analysis
D. Buca M. Liberati G. Calì F. Forlani C. Caisutti M. E. Flacco L. Manzoli A. Familiari G. Scambia F. D'Antonio

Outcome of fetuses with prenatal diagnosis of isolated severe bilateral ventriculomegaly: systematic review and meta‐analysis
S. Carta A. Kealin Agten C. Belcaro A. Bhide

Diagnostic accuracy of first‐trimester ultrasound in detecting abnormally invasive placenta in high‐risk women with placenta previa
G. Cali F. Forlani F. Foti G. Minneci L. Manzoli M. E. Flacco D. Buca M. Liberati G. Scambia F. D'Antonio

Fetal Medicine Foundation fetal and neonatal population weight charts
K. H. Nicolaides D. Wright A. Syngelaki A. Wright R. Akolekar

Genetic and non‐genetic risk factors for pre‐eclampsia: umbrella review of systematic reviews and meta‐analyses of observational studies
K. Giannakou E. Evangelou S. I. Papatheodorou

ASPRE trial: incidence of preterm pre‐eclampsia in patients fulfilling ACOG and NICE criteria according to risk by FMF algorithm
L. C. Poon D. L. Rolnik M. Y. Tan J. L. Delgado T. Tsokaki R. Akolekar M. Singh W. Andrade T. Efeturk J. C. Jani W. Plasencia G. Papaioannou A. R. Blazquez I. F. Carbone D. Wright K. H. Nicolaides

Transvaginal ultrasound vs magnetic resonance imaging for diagnosing deep infiltrating endometriosis: systematic review and meta‐analysis
S. Guerriero, L. Saba, M. A. Pascual, S. Ajossa, I. Rodriguez, V. Mais, J. L. Alcazar

Prevention of preterm birth with pessary in singletons (PoPPS): randomized controlled trial
L. Dugoff V. Berghella H. Sehdev A. D. Mackeen L. Goetzl J. Ludmir 

Effectiveness of 12–13‐week scan for early diagnosis of fetal congenital anomalies in the cell‐free DNA era
M. J. A. Kenkhuis M. Bakker F. Bardi F. Fontanella M. K. Bakker J. H. Fleurke‐Rozema C. M. Bilardo

Home blood‐pressure monitoring in a hypertensive pregnant population
H. Perry E. Sheehan B. Thilaganathan A. Khalil

Functional hemodynamic testing in pregnancy: recommendations of the International Working Group on Maternal Hemodynamics
V. L. Meah, K. Backx, M. H. Davenport, the International Working Group on Maternal Hemodynamics

Prognostic accuracy of cerebroplacental ratio and middle cerebral artery Doppler for adverse perinatal outcome: systematic review and meta‐analysis
C. A. Vollgraff Heidweiller‐Schreurs, M. A. De Boer, M. W. Heymans, L. J. Schoonmade, P. M. M. Bossuyt, B. W. J. Mol, C. J. M. De Groot, C. J. Bax

Misoprostol treatment vs expectant management in women with early non‐viable pregnancy and vaginal bleeding: a pragmatic randomized controlled trial
A. Fernlund, L. Jokubkiene, P. Sladkevicius, L. Valentin

Effect of clomiphene citrate on endometrial thickness, ovulation, pregnancy and live birth in anovulatory women: systematic review and meta‐analysis
M. A. Gadalla, S. Huang, R. Wang, R. J. Norman, S. A. Abdullah, A. M. El Saman, A. M. Ismail, M. van Wely, B. W. J. Mol

Fetoscopic laser coagulation in 1020 pregnancies with twin–twin transfusion syndrome demonstrates improvement in double‐twin survival rate
W. Diehl, A. Diemert, D. Grasso, S. Sehner, K. Wegscheider, K. Hecher

Physiological adaptation of endothelial function to pregnancy: systematic review and meta‐analysis
V. A. Lopes van Balen, T. A. G. van Gansewinkel, S. de Haas, S. M. J. van Kuijk, J. van Drongelen, C. Ghossein‐Doha, M. E. A. Spaanderman

Outcome of monochorionic twin pregnancy with selective intrauterine growth restriction according to umbilical artery Doppler flow pattern of smaller twin: systematic review and meta‐analysis
D. Buca, G. Pagani, G. Rizzo, A. Familiari, M. E. Flacco, L. Manzoli, M. Liberati, F. Fanfani, G. Scambia, F. D'Antonio

Cerclage for sonographic short cervix in singleton gestations without prior spontaneous preterm birth: systematic review and meta‐analysis of randomized controlled trials using individual patient‐level data
V. Berghella, A. Ciardulli, O. A. Rust, M. To, K. Otsuki, S. Althuisius, K. H. Nicolaides, A. Roman, G. Saccone

Systematic review of first‐trimester ultrasound screening for detection of fetal structural anomalies and factors that affect screening performance
J. N. Karim, N. W. Roberts, L. J. Salomon, A. T. Papageorghiou

ASPRE trial: performance of screening for preterm pre-eclampsia
D. L. Rolnik, D. Wright, L. C. Y. Poon, A. Syngelaki, N. O'Gorman, C. de Paco Matallana, R. Akolekar, S. Cicero, D. Janga, M. Singh, F. S. Molina, N. Persico, J. C. Jani, W. Plasencia, G. Papaioannou, K. Tenenbaum‐Gavish, K. H. Nicolaides

Analysis of cell‐free DNA in maternal blood in screening for aneuploidies: updated meta‐analysis
M. M. Gil, V. Accurti, B. Santacruz, M. N. Plana, K. H. Nicolaides

Placental histopathology associated with pre‐eclampsia: systematic review and meta‐analysis
M. L. Falco, J. Sivanathan, A. Laoreti, B. Thilaganathan, A. Khalil

Customized vs population‐based growth charts to identify neonates at risk of adverse outcome: systematic review and Bayesian meta‐analysis of observational studies
G. Chiossi, C. Pedroza, M. M. Costantine, V. T. T. Truong, G. Gargano, G. R. Saade

Repeat measurements of uterine artery pulsatility index, mean arterial pressure and serum placental growth factor at 12, 22 and 32 weeks in prediction of pre‐eclampsia
S. Andrietti, S. Carlucci, A. Wright, D. Wright, K. H. Nicolaides

Natural history of Cesarean scar pregnancy on prenatal ultrasound: the crossover sign
G. Cali, F. Forlani, I. E. Timor‐Tritsch, J. Palacios‐Jaraquemada, G. Minneci, F. D'Antonio

Accuracy of saline contrast sonohysterography in detection of endometrial polyps and submucosal leiomyomas in women of reproductive age with abnormal uterine bleeding: systematic review and meta‐analysis
C. A. Bittencourt, R. dos Santos Simões, W. M. Bernardo, L. F. P. Fuchs, J. M. Soares Júnior, A. R. Pastore, E. C. Baracat

Lung size and liver herniation predict need for extracorporeal membrane oxygenation but not pulmonary hypertension in isolated congenital diaphragmatic hernia: systematic review and meta-analysis
F. M. Russo, M. P. Eastwood, R. Keijzer, J. Al‐Maary, J. Toelen, T. Van Mieghem, J. A. Deprest

Increased nuchal translucency thickness and risk of neurodevelopmental disorders 
S. G. Hellmuth, L. H. Pedersen, C. B. Miltoft, O. B. Petersen, S. Kjærgaard, C. Ekelund, A. Tabor

Blastocyst vs cleavage-stage embryo transfer: systematic review and meta-analysis of reproductive outcome 
W. P. Martins, C. O. Nastri, L. Rienzi, S. Z. van der Poel, C. Gracia, C. Racowsky

Oligohydramnios in complicated and uncomplicated pregnancy: a systematic review and meta-analysis 
N. Rabie, E. Magann, S. Steelman, S. Ounpraseuth

Perinatal and long-term outcomes in fetuses diagnosed with isolated unilateral ventriculomegaly: systematic review and meta-analysis 
C. Scala, A. Familiari, A. Pinas, A. T. Papageorghiou, A. Bhide, B. Thilaganathan, A. Khalil

Vaginal progesterone vs intramuscular 17α‐hydroxyprogesterone caproate for prevention of recurrent spontaneous preterm birth in singleton gestations: systematic review and meta‐analysis of randomized controlled trials 
G. Saccone, A. Khalifeh, A. Elimian, E. Bahrami, K. Chaman‐Ara, M. A. Bahrami, V. Berghella

Cervical length screening for prevention of preterm birth in singleton pregnancy with threatened preterm labor: systematic review and meta‐analysis of randomized controlled trials using individual patient‐level data 
V. Berghella, M. Palacio, A. Ness, Z. Alfirevic, K. H. Nicolaides, G. Saccone

Single-dose systemic methotrexate vs expectant management for treatment of tubal ectopic pregnancy: a placebo-controlled randomized trial 
D. Jurkovic, M. Memtsa, E. Sawyer, A. N. A. Donaldson, A. Jamil, K. Schramm, Y. Sana, M. Otify, L. Farahani, N. Nunes, G. Ambler and J. A. Ross

Physiological adaptation of maternal plasma volume during pregnancy: a systematic review and meta‐analysis 
D. Jurkovic, M. Memtsa, S. de Haas, C. Ghossein‐Doha, S. M. J. van Kuijk, J. van Drongelen, M. E. A. Spaanderman

Validation of maternal cardiac output assessed by transthoracic echocardiography against pulmonary artery catheterization in severely ill pregnant women: prospective comparative study and systematic review
J. Cornette, S. Laker, B. Jeffery, H. Lombaard, A. Alberts, D. Rizopoulos, J. W. Roos-Hesselink and R. C. Pattinson

Preclinical atherosclerosis at the time of pre‐eclamptic pregnancy and up to 10 years postpartum: systematic review and meta‐analysis 
N. M. Milic, J. Milin-Lazovic, T. L. Weissgerber, G. Trajkovic, W. M. White and V. D. Garovic

Serial haemodynamic monitoring to guide treatment of maternal hypertension leads to a reduction in severe hypertension rates 
Daniel Stott, Ioannis Papastefanou, Daniela Paraschiv, Katherine Clark, Nikos A Kametas

Longitudinal hemodynamics in acute phase of treatment with labetalol in hypertensive pregnant women to predict need for vasodilatory therapy 
D. Stott, M. Bolten, D. Paraschiv, I. Papastefanou, J. B. Chambers, N. A. Kametas

Systematic review and meta-analysis of persistent left superior vena cava on prenatal ultrasound: associated anomalies, diagnostic accuracy and postnatal outcome 
S. Gustapane, M. Leombroni, A. Khalil, F. Giacci, L. Marrone, F. Bascietto, G. Rizzo, G. Acharya, M. Liberati and F. D'Antonio

Strategies for improving outcome of assisted reproduction in women with polycystic ovary syndrome: systematic review and meta-analysis
M. Kollmann, W. P. Martins, M. L. S. Lima, L. Craciunas, C. O. Nastri, A. Richardson and N. Raine-Fenning 
Stillbirth and intrauterine fetal death: factors affecting determination of cause of death at autopsy 
J. Man, J. C. Hutchinson, A. E. Heazell, M. Ashworth, S. Levine, N. J. Sebire

Organ weights and ratios for postmortem identification of fetal growth restriction: utility and confounding factors 
J. Man, J. C. Hutchinson, M. Ashworth, I. Jeffrey, A. E. Heazell, N. J. Sebire

Effects of intrauterine retention and postmortem interval on body weight following intrauterine death: implications for assessment of fetal growth restriction at autopsy 
J. Man, J. C. Hutchinson, M. Ashworth, A. E. Heazell, S. Levine, N. J. Sebire

Perinatal outcomes and intrauterine complications following fetal intervention for congenital heart disease: systematic review and meta‐analysis of observational studies
E. Araujo Júnior, G. Tonni, M. Chung, R. Ruano, W. P. Martins

Surgical treatment for hydrosalpinx prior to in‐vitro fertilization embryo transfer: a network meta‐analysis 
A. Tsiami, A. Chaimani, D. Mavridis, M. Siskou, E. Assimakopoulos, A. Sotiriadis

Systematic approach to sonographic evaluation of the pelvis in women with suspected endometriosis, including terms, definitions and measurements: a consensus opinion from the International Deep Endometriosis Analysis (IDEA) group 
S. Guerriero, G. Condous, T. van den Bosch, L. Valentin, F. P. G. Leone, D. Van Schoubroeck, C. Exacoustos, A. J. F. Installé, W. P. Martins, M. S. Abrao, G. Hudelist, M. Bazot, J. L. Alcazar, M. O. Gonçalves, M. A. Pascual, S. Ajossa, L. Savelli, R. Dunham, S. Reid, U. Menakaya, T. Bourne, S. Ferrero, M. Leon, T. Bignardi, T. Holland, D. Jurkovic, B. Benacerraf, Y. Osuga, E. Somigliana, D. Timmerman

Prevalence of prenatal brain abnormalities in fetuses with congenital heart disease: a systematic review
A. Khalil, S. Bennet, B. Thilaganathan, D. Paladini, P. Griffiths, J. S. Carvalho

Procedure‐related complications of open vs endoscopic fetal surgery for treatment of spina bifida in an era of intrauterine myelomeningocele repair: systematic review and meta‐analysis
E. Araujo Junior, A. J. Eggink, J. van den Dobbelsteen, W. P. Martins, D. Oepkes

Systematic review and meta‐analysis of isolated posterior fossa malformations on prenatal imaging (part 2): neurodevelopmental outcome
F. D'Antonio, A. Khalil, C. Garel, G. Pilu, G. Rizzo, T. Lerman‐Sagie, A. Bhide, B. Thilaganathan, L. Manzoli, A. T. Papageorghiou

Do knowledge of uterine artery resistance in the second trimester and targeted surveillance improve maternal and perinatal outcome? UTOPIA study: a randomized controlled trial
B. García, E. Llurba, L. Valle, M. D. Gómez-Roig, M. Juan, C. Pérez-Matos, M. Fernández, J. A. García-Hernández, J. Alijotas-Reig, M. T. Higueras, I. Calero, M. Goya, S. Pérez-Hoyos, E. Carreras and L. Cabero

Screening for trisomies by cell-free DNA testing of maternal blood: consequences of a failed result
R. Revello, L. Sarno, A. Ispas, R. Akolekar and K. H. Nicolaides

Contingent screening for preterm pre-eclampsia
D. Wright, D. M. Gallo, S. Gil Pugliese, C. Casanova, K. H. Nicolaides

Fetuses with right aortic arch: a multicenter cohort study and meta-analysis
F. D'Antonio, A. Khalil, V. Zidere and J. S. Carvalho

Prevention of pre-eclampsia by low-molecular-weight heparin in addition to aspirin: a meta-analysis
S. Roberge, S. Demers, K. H. Nicolaides, M. Bureau, S. Côté and E. Bujold

Impact of adding a second layer to a single unlocked closure of a Cesarean uterine incision: randomized controlled trial
G. Bennich, M. Rudnicki, C. Wilken-Jensen, T. Lousen, P. D. Lassen and K. Wøjdemann

Prediction of large-for-gestational-age neonates: screening by maternal factors and biomarkers in the three trimesters of pregnancy
A.P. Frick, A. Syngelaki, M. Zheng, L. C. Poon and K. H. Nicolaides

GnRH agonist during luteal phase in women undergoing assisted reproductive techniques: systematic review and meta-analysis of randomized controlled trials 
W. P. Martins, R. A. Ferriani, P. A. Navarro and C. O. Nastri