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7 Cards in this Set

  • Front
  • Back
causes of birth defects
65-85% unknown/multifactoral
10-25% genetic
10% environment

mom exposure >1%
meds implicated in birth defects
ACE, NSAID, Valproate
fetal therapies
surgery:
-sp bifida
-thoracic shunt
-thransfusion
-diaphrag hernia

medical:
-21 hydroxylase
-fetal arryth

stem cell/BM trsplt:
-immunodeficiency synd
prenatal diagnosis options
preimplantation
CVS & early amnio 10-12 (15) wks
amnio 20 wks
PUB after 20 wks, higher risk
general risk of pregnancy loss w/amnio/CVS
.6% (increased by .5% over preg in general)
pitfalls of prenatal diagnosis
invasive
unknown dvt of defects
limited tx options
uses resources
maternal serum screening
(by trimester)
1st trimester
-PAPP A & hCG
2nd trimester
-triple marker (AFP, chorionic gonadotropin, E3)
-Quad (above + inhibin)