Concept

First trimester

OpenAlex ID: C3019714739

UK multicentre project on assessment of risk of trisomy 21 by maternal age and fetal nuchal-translucency thickness at 10–14 weeks of gestation

1998 · RJM Snijders, P Noble, et al. · The Lancet · 1,560

A New and Improved Population-Based Canadian Reference for Birth Weight for Gestational Age

2001 · Michael S. Kramer, Robert W. Platt, et al. · PEDIATRICS · 1,522

A Critical Evaluation of Sonar “crown‐rump Length” Measurements

1975 · H. P. Robinson, J. E. E. Fleming · BJOG An International Journal of Obstetrics & Gynaecology · 1,413

First-Trimester or Second-Trimester Screening, or Both, for Down's Syndrome

2005 · Fergal D. Malone, Jacob A. Canick, et al. · New England Journal of Medicine · 1,076

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Intrauterine Growth in Length and Head Circumference as Estimated From Live Births at Gestational Ages From 26 to 42 Weeks

1966 · Lula O. Lubchenco, Charlotte Hansman, et al. · PEDIATRICS · 1,072

Practice guidelines for performance of the routine mid‐trimester fetal ultrasound scan

2010 · L. J. Salomon, Z. Alfirevic, et al. · Ultrasound in Obstetrics and Gynecology · 1,013

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A standard of fetal growth for the united states of America

1976 · William E. Brenner, David A. Edelman, et al. · American Journal of Obstetrics and Gynecology · 831

Medication use during pregnancy, with particular focus on prescription drugs: 1976-2008

2011 · Allen A. Mitchell, Suzanne M. Gilboa, et al. · American Journal of Obstetrics and Gynecology · 820

Sonographic estimation of fetal weight. The value of femur length in addition to head and abdomen measurements.

1984 · F P Hadlock, R B Harrist, et al. · Radiology · 788

Oxygen measurements in endometrial and trophoblastic tissues during early pregnancy.

1992 · F Rodesch, P Simon, et al. · PubMed · 749

2014 · R. Akolekar, J. Beta, et al. · Ultrasound in Obstetrics and Gynecology · 714

Screening for fetal aneuploidies at 11 to 13 weeks

2011 · Kypros H. Nicolaides · Prenatal Diagnosis · 643

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Nuchal translucency and other first-trimester sonographic markers of chromosomal abnormalities

2004 · Kypros H. Nicolaides · American Journal of Obstetrics and Gynecology · 626

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Key questions and answers about pregnancy-associated plasma protein-A

2012 · Cheryl A. Conover · Trends in Endocrinology and Metabolism · 625

First-trimester maternal serum PAPP-A and free-beta subunit human chorionic gonadotropin concentrations and nuchal translucency are associated with obstetric complications: A population-based screening study (The FASTER Trial)

2004 · Lorraine Dugoff, John C. Hobbins, et al. · American Journal of Obstetrics and Gynecology · 624

Competing Risks Model in Early Screening for Preeclampsia by Biophysical and Biochemical Markers

2012 · Ranjit Akolekar, Argyro Syngelaki, et al. · Fetal Diagnosis and Therapy · 605

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Valproic Acid Monotherapy in Pregnancy and Major Congenital Malformations

2010 · Janneke Jentink, Maria A. Loane, et al. · New England Journal of Medicine · 583

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A screening program for trisomy 21 at 10–14 weeks using fetal nuchal translucency, maternal serum free β‐human chorionic gonadotropin and pregnancy‐associated plasma protein‐A

1999 · K. Spencer, V. Souter, et al. · Ultrasound in Obstetrics and Gynecology · 567

First-Trimester Screening for Trisomies 21 and 18

2003 · Ronald Wapner, Elizabeth Thom, et al. · New England Journal of Medicine · 561

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Pregnancy-Associated Plasma Protein A as a Marker of Acute Coronary Syndromes

2001 · Antoni Bayes-Genis, Cheryl A. Conover, et al. · New England Journal of Medicine · 557

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First and second trimester serum tests with and without first trimester ultrasound tests for Down's syndrome screening

2017 · S Kate Alldred, Yemisi Takwoingi, et al. · Cochrane Database of Systematic Reviews · 530

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Integrated Screening for Down's Syndrome Based on Tests Performed during the First and Second Trimesters

1999 · N.J. Wald, H.C. Watt, et al. · New England Journal of Medicine · 523

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ACOG Practice Bulletin No. 200: Early Pregnancy Loss

2018 · Obstetrics and Gynecology · 503

Quantitation of rat embryonic development in vitro: A morphological scoring system

1981 · Nigel A. Brown, Sergio Fabro · Teratology · 499

Gestational diabetes is associated with change in the gut microbiota composition in third trimester of pregnancy and postpartum

2018 · Mie Korslund Wiinblad Crusell, Tue Haldor Hansen, et al. · Microbiome · 485

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Works count: 28,900

Citation count: 239,200