Antenatal screening and genetics Flashcards
1
Q
What conditions should all women be offered screening for?
A
Anaemia Bacteriuria Blood group, Rhesus status and anti-red cell antibodies Down's syndrome Fetal anomalies Hepatitis B HIV Neural tube defects Risk factors for pre-eclampsia Rubella immunity Syphilis
2
Q
What conditions may be offered screening for depending on hx?
A
Placenta praevia Psychiatric illness Sickle cell disease Tay-Sachs disease Thalassaemia
3
Q
When is the first test for downs done? What is it?
A
With the first scan 11-14 weeks. - nuchal translucency, -serum bhcg -pregnancy associated plasma protein A (PAPa) also with age
4
Q
When is the later test for downs done and what is it?
A
15-20 weeks
Quad- AFP, unconjugated oestriol, hcg, inhibin A
(HI HIGH)
