Obstetrics 3 Flashcards
To avoid fetal effects of antithyroid drugs…
dont use block replace regime
what should you do about a macroadenoma?
continue bromcriptine or cabergoline
monitor visual fields, headaches, diabetes insipidus
new dx? prolactin not reliable. Need imaging if suspect.
FEV1 and FVC in preg?
unchanged
DLCO in preg?
decreased
How long do you have to stop LMWH before spinal?
24-36 hours
Chorea gravidarum
Clinical feature in APL syndrome
Does MS affect preg outcomes?
NO
What effect will exclusively breast feeding for the first two months have on mum?
reduce relapse rate!
Recurrent headache for a month post partum think?
Cerebral vasoconstriction
Which AED are enzyme inducers?
Phenytoin Phenobarbital Carbamazepine Oxcarbazepine Topiramate
Classic picture post partum thyroiditis
Up to 12 months post pregnancy Thyrotoxicosis TPO positive no uptake on scan increase risk type 1 DM If severe with T3>>T4 or ophthal- suggests graves
Treat with bblockers
No role for anti thyroid drugs
If hypo then T4 or if TSH over 10
What happens to T3,T4, TSH in normal preg?
TBG increase
Total T3,T4 increase
T3,T4 same free
TSH reduced early preg for a while as HCG acts on same receptor
UTI in preg- empirical ok?
Aug 500/125
cephalexin
nitrofurantoin
What does cat B mean
limited human exposures- ok
B1- animal studies ok
B2- limited animal data
B3- animal studies fetal damage of uncertain signif
Cat C means
suspected REVERSIBLE harm but not malformation
