Objective To review the literature with respect to the use of diagnostic ultrasound in the
management of twin pregnancies. To make recommendations for the best use of ultrasound …

Aim This article is a systematic review of the literature to establish the detection rate and
false‐positive rate of the combined test for the screening of trisomy 21 in twins. Material and …

Objective To review the literature with respect to the use of diagnostic ultrasound in the
management of twin pregnancies. To make recommendations for the best use of ultrasound …

Objective To examine the distribution of first‐trimester biochemical markers of aneuploidy in
twin pregnancies, and to assess whether there are differences in the distributions between …

Objective To determine risk of D own syndrome (DS) in multiple relative to singleton
pregnancies, and compare prenatal diagnosis rates and pregnancy outcome. Design …

This fourth edition provides clinicians with the latest information on the role of ultrasound in
obstetrics and gynaecology. Divided into three sections, the book begins with an …

Abstract Objective To provide a Canadian consensus document with recommendations on
prenatal screening for and diagnosis of fetal aneuploidy (eg, Down syndrome and trisomy …

BACKGROUND Prenatal screening and diagnosis of chromosomal abnormalities especially
Down's syndrome in IVF pregnancies are complicated by higher maternal age, a high …

Abstract Objective To provide a Canadian consensus document with recommendations on
prenatal screening for and diagnosis of fetal aneuploidy (eg, Down syndrome and trisomy …

Twin and triplet pregnancy is a high-risk situation, with increased risk of mortality and
morbidity for both mother and babies. It is, therefore, essential that high-quality antenatal …