Gestational Diabetes

Question 1

1/ OGTT screening for pregnant women is @ …

2/ OGTT screening for women at high risk for GDM

Answer 1

1/ 24-28 week gestation
2/ 12-16 weeks gestation (if x1 high or x2 moderate risk factors for GDM)

(Ref: SA Guidelines)

Question 2

1/ High Risk factors

2/ Moderate risk factors

Answer 2

1/ 
PMHX: 
- Previous GDM
- Previous increase BSL 
- PCOS 
- Previous macrosomic baby (BW >4500g or >90th centile) 

BMI >35
Age >40yrs
Fhx DM
- (1st degree relative with diabetes or sister with GDM)

Meds: steroids, antipsychotics

Question 3

Criteria for diagnosis

Answer 3

 a fasting venous glucose ≥ 5.1 mmol / L
 1 hour venous glucose ≥ 10.0 mmol/L
 2 hour venous glucose ≥ 8.5 mmol / L (Nankervis 2013)

(SA Health Guidelines)