Down's syndrome: Antenatal Testing

Question 1

What test is now standard and what does it consist of?

Answer 1

1. Nuchal translucency measurement
2. Serum B-HCG
3. Pregnancy associated plasma protein A

Question 2

When should the combined test be done?

Answer 2

11-13+6 weeks

Question 3

If they book later than this, what should be offered?

Answer 3

Either the triple or quadruple test

Question 4

What does the triple test consist of?

Answer 4

1. Alpha-fetoprotein
2. Unconjugated oestriol
3. Human chorionic gonadotrophin

Question 5

What does the quardruple test consist of?

Answer 5

1. Alpha-fetoprotein
2. Unconjugated oestriol
3. Human chorionic gonadotrophin
4. Inhibin -A