Normal Pregnancy, Prenatal Care, and Lab Changes Flashcards
How much folic acid should be given to women trying to get pregnant
- 4g w/ no Hx of neural tube defect
4. 0g w/ Hx of neutral tube defect
Def = number of times a woman has been pregnant
Gravidity
Def = number of pregnancies that led to a birth at or beyond 20 wks
Parity
What are the subgroups of Parity
Full term
Preterm
Abortions
Living
During pregnancy _____ and _____ decrease while _____ increase
Hct and Hgb
Factors 7-10
What is Naegels rule
Minus 3 months + 7 days is expected delivery
What is Crown Rump Length
Use US b/w 6-11 wks to estimate delivery date w/in 7 days
What is the most common gene carried in North American whites
Cystic Fibrosis
What is the most common form of inherited mental retardation
Fragile X Syndrome
When is fetal nuchal translucency thickness tested and what does an increased thickness mean
1st Tri
Anomaly
What two tests can detect Down’s with 93% confidence
Nuchal TT and Nasal bone assessment
What is involved in the triple and quadruple 2nd trimester screening tests
Triple = hCG, estriol, AFP Quad = hCG, estriol, AFP, Inhibin A
Def = done between 16-20 wks with 0.3% miscarriage rate
Amniocentesis
Def = done at 11 weeks with 1% miscarriage rate
Chorionic villi sampling
Which anticoagulant can cross the placenta and which one doesn’t
Coumadin crosses placenta
Heparin doesn’t
How often should prenatal visits occur w/in the first 28 wks
q 4 wks
How often should prenatal visits occur b/w 28-36 wks
q 2 wks
How often should prenatal visits occur after 36 wks
Weekly
How many movements should occur within 2 hours to assess fetal kick count
10 movements
What is the criteria for a reactive Nonstress Test
2 accels of ≥ 15 beats above baseline for ≥ 15 sec during a 20 min period
How is a Contraction stress test conducted
Give oxy to get ≥ 3 contractions in 10 min period
What is a + Contraction stress test
Late decels noted with majority of contractions
What should be done if a Contraction stress test is +
Delivery
When should a Biophysical profile be conducted
When NST is unreactive and CST is +
What are the different scores for a Biophysical profile
8-10 = good
6 = deliver if pt at full term
≤ 4 = consider delivery
