Effective screening for major aneuploidies can be provided in the first trimester of
pregnancy. Screening by a combination of fetal nuchal translucency and maternal serum …

The current approach to prenatal care, which involves visits at 16, 24, 28, 30, 32, 34 and 36
weeks and then weekly until delivery, was established 80 years ago. The high concentration …

Performing a routine first-trimester ultrasound examination at 11+ 0 to 14+ 0 weeks'
gestation is of value for confirming viability and plurality, accurate pregnancy dating …

Increased fetal nuchal translucency (NT) thickness between 11 and 14 weeks' gestation is a
common phenotypic expression of chromosomal abnormalities, including trisomy 21 …

Objectives To evaluate the performance of first‐trimester screening for trisomy 21 by a
combination of maternal age, fetal nuchal translucency (NT) and maternal serum free β …

Objectives To derive a model and examine the performance of first‐trimester combined
screening by maternal age, fetal nuchal translucency (NT) thickness and maternal serum …

Our understanding of fetal circulatory physiology is based on experimental animal data, and
this continues to be an important source of new insight into developmental mechanisms. A …

Objectives To investigate the performance of first‐trimester screening for aneuploidies by
including assessment of ductus venosus flow in the combined test of maternal age, fetal …

Nuchal translucency (NT) is the sonographic appearance of a subcutaneous collection of
fluid behind the fetal neck. The measurement of fetal NT thickness at the 11–14‐week scan …

Objective To assess a possible relationship between ductus venosus blood flow
abnormalities and cardiac defects in chromosomally normal fetuses with increased nuchal …