Chemistry 8 (Pregnancy) Flashcards
(45 cards)
bilirubin peak absorbance
450nm
liley chart
deltaOD450 by gestational age
if in zone 3 or increasing in zone 2; then deliver if >36wk or transfuse if less
alpha subunit of hCG same as
TSh, FSH, LH
hCG first detectable at _____day, _____mIU/mL
6-8d
10-50mIU/mL
hCG level doubles every ____ days until level of ____ around ____
2days
1200
10weeks
between ____ and ____ level, hCG doubles every ____days
1200-6000
3days
hCG doubles every ____ days above____ until a peak of ____ around ____
4days
6000
100,000
end of first trimester
increased hCG in
multiples polyhydraminios eclampsia HDFN GTF Tri21
abnormal pregnancy if hCH does not rise at least ___ in ___ or if it falls in that time
66% in 48hr
with transabdominal US, gestational sac detectable if hCG
6000
with transvaginal US, gestational sac detectable if hGC
1400
serum progesterone ____ assures IUP
levels ____ predictive of abnormal
> 25
<5
risk for malignant dz in partial and complete mole
<5%
20%
follow-up of mole
monitor weekly until undetactable x3wk, then monthly x1yr
Triple screen
hCG, AFP and estriol at 18wk
Quad test
triple screen plus dimeric inhibin A (DIA)
Advantage of DIA in quad test
stable during 2nd trimester
in diabeteic mothers, ___ and ___ are ___
uE and hCG mildly decreased
in smokers, ___ is increased and ___ is decreased
AFP increased
uE and hCG decreased
pattern in tri18
decreased AFP, hCG and uE
pattern in NTD
increased AFP
normal hCG
decreased uE
pattern in Tri21
decreased AFP and uE
increased hCG and DIA
increased AFP in
NTD ophalocele renal abnormalities sacrococcygeal teratoma cystic hygroma hydrops Turner bowel obstruction Twins fetal demise fetal-maternal hemorrhage
uE is good indicator of
Tri18
Smith-Lemli-Opitz
hereditary deficiency of steroid sulfatase
