Pregnancy-related Flashcards
1
Q
What is an immune-mediated cause of hydrops foetalis?
A
Rh disease
2
Q
The foetus is dependent upon maternal thyroid hormone until which week of gestation?
A
Week 12
3
Q
The foetus starts to produce T4 in what week of gestation?
A
Foetal thyroid development begins in week 10-12, T4 secretion starts at weeks 18-20.
4
Q
How frequently should TFT be checked during pregnancy in the following scenarios:
- Stable TFT
- Change to medication
A
- 8-12 weeks
2. 4-6 weeks
5
Q
Modification of thyroid treatment should be titrated to which part of the TFT?
A
T4.
Not TSH as it may remain elevated despite appropriate treatment esp. in third trimester.
6
Q
True/False: If TFTs are stable prior to pregnancy it is unlikely that dose adjustment is required during the pregnancy.
A
True.
