Parental origin of the extra chromosome in prenatally diagnosed fetal trisomy 21

Screening for fetal trisomies by maternal age and fetal nuchal translucency thickness at 10 to 14 weeks of gestation

Pranav Pandya, R. J. M. Snijders, Sarah Johnson et al. · BJOG An International Journal of Obstetrics & Gynaecology · 1995 · 415 citations

Susceptible chiasmate configurations of chromosome 21 predispose to non–disjunction in both maternal meiosis I and meiosis II

Neil E. Lamb, Sallie B. Freeman, Amanda Savage-Austin et al. · Nature Genetics · 1996 · 401 citations

Biology, Chromatin, Chromosome Dynamics +14

Non-disjunction of chromosome 21 in maternal meiosis I: evidence for a maternal age-dependent mechanism involving reduced recombination

Stephanie L. Sherman, Michael B. Petersen, Sallie B. Freeman et al. · Human Molecular Genetics · 1994 · 238 citations

Increased nuchal translucency at 10—14 weeks of gestation as a marker for major cardiac defects

Jon Hyett, M. Perdu, Gurleen Sharland et al. · Ultrasound in Obstetrics and Gynecology · 1997 · 235 citations · Full text

Major Cardiac Defects, Nuchal Translucency, Medicine +14

Advanced maternal age and the risk of Down syndrome characterized by the meiotic stage of chromosomal error: a population-based study.

Paula W. Yoon, Sallie B. Freeman, S. L. Sherman et al. · PubMed · 1996 · 218 citations