Obstetrics

Question 1

What two USS are offered to pregnant women? When are they performed? What does each one show?

Answer 1

Dating scan: 10-12 weeks; EDD based on measurements; nuchal translucency

Anomaly scan: 18-21 weeks; structural abnormalities

Question 2

A specific test screens for three chromosomal abnormalities on the NHS. Name those abnormalities, the name of the test and when it can be performed.

Answer 2

Down’s: Trisomy 21
Edwards’: Trisomy 18
Patau’s: Trisomy 13

The Combined Test: Weeks 10-14.

Question 3

The WHO criteria for diabetes in pregnancy will diagnose GDM if the fasting plasma glucose level is what?

Answer 3

> 7.0mmol/l

Question 4

The WHO criteria for diabetes in pregnancy will diagnose GDM if the 2-hour plasma glucose level is what?

Answer 4

> 11.1 mmol/l after 75g oral glucose load

Question 5

The WHO criteria for diabetes in pregnancy will diagnose GDM if the random plasma glucose level is what?

Answer 5

> 11.1 mmol/l in the presence of diabetic symptoms