Antenatal Care and Screening Flashcards Preview

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Flashcards in Antenatal Care and Screening Deck (11):
1

How many antenatal meetings are normally made prior to 20 weeks gestation?

4

2

What tests are usually done in an antenatal meeting?

Abdominal examination
Ultrasound
FBC, U&E, glucose
Rubella, syphilis
Antibodies (Rhesus)

3

What markers are used to estimate gestational age?

Biparietal diameter
Femur length

4

What is "foetal lie"?

Relation of foetal spine to maternal spine
Longitudinal lie: parallel to maternal spine
Transverse lie: horizontal to maternal spine

5

What is "foetal engagement"?

Relation of foetal head to pelvic rim

6

Which scan is used to screen for foetal anomaly?

Ultrasound

7

What tests can be used to detect the risk of Down's syndrome in 1st trimester?

Skin thickness behind foetal neck (Nuchal thickness)
bHCG and PAPP-A levels

8

What tests can be used to detect the risk of Down's syndrome in 2nd trimester?

Blood sample
HCG and AFP levels

9

Low AFP and high HCG increases/decreases risk of Down's syndrome

Low AFP and high HCG increases risk of Down's syndrome

10

High AFP and low HCG is associated with increased risk of what particular foetal anomaly?

Spina bifida

11

What are the 2 main specific diagnostic tests that can be done for foetal karyotyping?

Amniocentesis
Chorionic villus sampling