Antenatal care and congenital abnormalities Flashcards
When is an OGTT offered?
if you have previously had GDM then at booking or as soon as
then again at 24-28 weeks
if any risk factors then at 24-28 weeks
how many visits do you have in your first pregnancy?
10 if uncomplicated
Why would OGTT be assessed at 24-28 weeks?
BMI >30
macrosomic baby
prebious hx
first degreee relative with diabetes
family origin of high prevalence of diabetes - South asian / black caribbean and middle eastern
when is the booking test?
10+0 weeks
when is the dating scan done?
11-14 weeks
when is the combined test done?
what does it test for?
11-13 weeks
downs
Includes USS > nuchal thickness
Blood test: beta HCG and PAPP-A
what is the result of combined test that indicates increased chance of downs syndrome?
increased bHCG and reduced PAPP-A
when is the quadruple test done?
15-20 weeks
at 18-20 week the _____ scan is done.
this looks for?
anomaly scan
structural anomalies
low lying placenta
amniotic liquor volume
gender
also anomalies: 11 conditons
when is the first GP review for nulliparous women?
25 weeks
28 weeks?
midwife review
anti-D given
Placenta praevia shown by 20 week scan when / how should delivery be managed?
elective c section at 37–38 weeks
20 week scan shows low lying placenta
placenta praevia
rescan at 32 weeks
if grade 1/2 rescan every 2 weeks
quadruple test test for?
afp
unconjugated oestriol
HCG
inhibin A
quadruple test
AFP is increased
oestriol is normal
HCG is normal
inhibin A is normal?
NTD
