Antenatal care

Question 1

Key screenings during antenatal appointments

Answer 1

Offered throughout pregnancy:
Hepatitis B
HIV
Syphilis
Rubella

Sickle cell and Thalassaemia- by wk 10
Combined screening- wk 11 2 days to wk 14 1 day
or
Quadruple test-wk 14 2 days to wk 20

Physical abnormalities- mid pregnancy scan wk 18 to wk 20 6 days

Question 2

What does the combined test test for?

Answer 2

Down’s syndrome

Edward’s syndrome

Question 3

What does the combined test consist of?

Answer 3

Measuring fluid at the back of the baby’s neck using nuchal translucency

Blood markers:

1. Pregnancy associated plasma protein-A (PAPP-A)
2. free ß-human chorionic gonadotrophin (free ß-hCG)