Medical disorders in pregnancy Flashcards
1
Q
What hormonal factors during pregnancy influence glucose control?
A
- Placental production of insulin antagonists (increased cortisol, human placental lactogen, progesterone, HCG)
- Typically pancreas produces more insulin but may be unable to keep up with demand especially if previous insulin resistance
2
Q
What are some risks of poor glucose control in pregnancy?
A
- increased organ malformation (cardiac, neural tube)
- increased change of fetal death
- macrosomia
- shoulder dystocia
- increased risk of (pre)eclampsia, polyhydroaminos, infection, preterm labour
3
Q
In pre-term labour with a diabetic pt why must be use more caution when giving steroids?
A
- Steroid use will increase blood glucose levels, must compensate with insulin
4
Q
What factors lead to increased VTE in pregnacy? (2)
A
- Coagulation system out of balance favouring clot formation
- gravid uterus can cause mechanical obstruction leading to venous stasis
5
Q
Can D-dimer be used to investigate VTE in pregnancy? Why or why not?
A
- No, during pregnancy there in an increasing level of circulating D-dimer giving the test no diagnostic value
6
Q
Which antiepileptic drug carries the highest risk of teratogensis?
A
- Valproic acid
7
Q
What can happen to maternal platelet count during pregnancy (Physiological)
A
- Maternal thrombocytopenia
- 100-150 (Normal is 150-400)
- Not associated with increased risk to mother or baby
- No treatment if no bleeding and count above 50
8
Q
A pregnant women has asymptomatic bacteremia what do?
A
Treat infection