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When should you get nuchal translucency screening?
10-13 weeks.
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When should one get the Quad screen?
Between 16-18 weeks.
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Which 4 tests does the Quad screen test for?
- 1) Alpha-fetoprotein
- 2) hcG
- 3) estriol
- 4) inhibin-A
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When should you get the Chorionic Villus Sampling?
Between 10-13 weeks.
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When should amniocentesis be done?
14-20, but usually 15-18
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When should Group B strep be tested?
Between 35-37 weeks, usually 36.
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When is testing done for Gestational DM?
24-28 weeks, usually 28
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What is the top cause of inaccurate AFP?
Inacurrate dating of pregnancy.
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What are 3 things a high AFP could signify?
spina bifida, anecephaly, GI malformation (omphalocoele)
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What could a low AFP signify?
Down syndrome
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What else is AFP used to detect?
Liver Cancer, ovarian/testicular cancers
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What trisomy is Down syndrome?
Trisomy 21.
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Where is AFP produced?
Yolk sac, and liver
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What would a high inhibin A suggest?
- Down syndrome
- (along w/ low AFP and increased Beta-hCG)
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What weeks does a primagravid mom usually feel baby move?
18-20 weeks
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What weeks does a multigravid mom usually feel baby move?
14-18 weeks.
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Preeclmpsia/eclampsia is HTN after how many weeks of gestation? What is it if it's before that?
20 weeks. Just chronic HTN
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What week differentiatates PPROM from PROM?
37 weeks
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How often should a pregnant woman visit the OB?
- Q 4 weeks until 28th week,
- Q 2-3 weeks until 36th week,
- Weekly after.
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What weeks are the 1st, 2nd, and 3rd trimesters?
- 1st: 0-12
- 2nd: 13-28
- 3rd 29-42
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When can fetal heart tones usually start being heard by a Doppler?
10-12 weeks.
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What is normal heart beat of the fetus?
120-160 bpm
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