Antenatal Screening

Question 1

Disease characteristics for screening

Answer 1

1. Must be important health problem
2. latent phase or recognisable early phase
3. Acceptable treatment for disease or condition

Question 2

Which pregnant women get screened?
When
What test

Answer 2

All
0-10 week
Blood

Question 3

Of screen positive what’s offered

Answer 3

Amniocentesis
Termination
Early specialist care

Question 4

Screening for chromosomal abnormality, who

When

Which test

Answer 4

Everyone
Week 11-13
Ultrasound
Combined test : fatal nuchal translucency 
                                B-HCG
                                PAPP-A

Question 5

Acramia is

Diagnosed how

Results

Answer 5

Malformation of childs head

Ultrasounds

12 weeks- absence of ossified skull
16 weeks- anencephaly

Lethal

Question 6

Alobar holoprosencephaly

Prevelance

Which test

Diagnosis and prognosis

Answer 6

Forebrain abnormalities in transverse view

1:1300 at 12 weeks

Ultrasound

Fatal

Question 7

High risk of preeclampsia

Answer 7

Hypertensive disease previous pregnancy

Chronic renal disease

Chronic hypertension

Diabetes mellitus

Autoimmune disease such as SLE

Question 8

Moderate risk of preeclampsia

Answer 8

First preg
Over 40 years of age
BMI over 35
Inter pregnancy interval over 10 years

Family history of preeclampsia

Question 9

Screening for infectious diseases

What
When
How

Answer 9

HIV,HEP B, SYPHYLIS

AT booking

Using seratology