The nuchal translucency scan, which is performed along with a blood test, is relatively new way to screen for genetic disorders in an unborn baby.

Jun 8, 2010 - Tiffany Brunskole

A woman's experience of a simple ultrasound, that led to an invasive chorionic villus sampling (CVS), and a Level II ultrasound.

Dec 18, 2010 - Diane Pagan

Noninvasive prenatal testing aimed at diagnosing Down syndrome, a chromosomal abnormality that causes developmental delays, has improved greatly in the last few years.

Mar 18, 2010 - Sharon Perkins

Pregnant women worry about their baby's health, and may imagine Down Syndrome symptoms during pregnancy. Learn how to detect Trisomy 21 before giving birth.

Jun 8, 2010 - Victoria Nicks

As you enter week nine of your pregnancy, your baby is no longer an embryo. Several new changes are apparent as your baby continues to grow.

Jan 28, 2007 - Brenda Lane

The AFP test measures proteins and hormones in the mother's blood to screen for genetic disorders. Find out if this prenatal test is for you.

Oct 19, 2010 - Brenda Lane

Screening tests for Down's syndrome are routinely offered to pregnant women. A new blood test analysing fetal DNA may reduce the need for amniocentesis

Jan 12, 2011 - Veronica Mitchell