Putting it all together...Module 4 Flashcards
Genetic screen that can be completed in 2nd trimester
Triple, Quad, Penta screen
Blood draw #2 of integrated and sequential screens
Amniocentesis
cell free DNA
When is Quad screen done
15-22 weeks optimal 16-18 weeeks
What is screen for Quad screen
Trisomy 18, 21
Neural tube defect
when is integrated and sequential screen completed
first trimester : 10-14 weeks
Second trimester: 15-22 weeks
what is screened for integrated and sequential screen
Trisomy 13, 18, 21
Neural tube defects
when is amniocentesis done `
15 weeks and later
what is screened for amniocentesis
Trisomy 13, 18, 21
Neural tube defectP
What is positive 1 hour glucose
> 130, 135 or 140
Why do providers choose lower cutoff for glucose
More false positive (screen looks abnormal but patient does not really have GDM)
Few false negative (there are not too many times that the screen looks fine but the person really have GDM and we miss it.
Higher cut off for glucose
Fewer false positive (we won’t have as many screens that look abnormal but the patient doesn’t really have GDM
More false negative (have screens that look fine but the patient really have GDM
U/S vs Menstrual cycle dating
< 9 weeks..more than 5 days
9-13 6/7 weeks….more than 7 days
14-15 6/7 weeks…..More than 7 days
16 - 21 6/7 weeks…..More than 10 days
22-27 6/7 weeks….More than 14 days
28 weeks and beyond….More than 21 days
Trimesters in weeks
1st Trimester…..0-13 weeks
2nd trimester….14 - 26 weeks
Third trimester…..27 - 40 weeks
Kcal needed in 2nd trimester
300-350
Protein needed in 2nd trimester
70 g/day
Iron needed in 2nd trimester
30 mg /day …
prenatal vitamins contain 35-60 mg of elemental iron
