Exam 1 part 3 Flashcards
2nd trimester labs
MSAFP
triple marker screen
quad screen
amniocentesis
Alpha-fetoprotein fetal glycoprotein secreted from fetal yolk sac, Gi and liver
Blood test drawn, gestation detects neural tube defects and abdominal wall defects
Recommended routine screening
Maternal serum Alpha-fetoprotein
when is MSAFP done
at 15-20 weeks
increased levels during MSAFP
NTD
Anencephaly
Omphalocele
Gastroschesis
decreased levels during MSAFP
trisomy 21
Blood test that combines multiple hormones and proteins and preteens with maternal age to detect Trisomy 12, 18, 21, and NTDs
multiple marker screening
what does the triple marker test
Alpha-fetoprotein
Human chorionic gonadotropin
Estriol levels
what does the Quad screen test
Alpha-fetoprotein Human chorionic gonadotropin Estriol levels Inhibin A (detection of trisomy 21)
decreased levels of estriol
suggested abnormality
Used to obtain amniotic fluid and fetal cells for genetic testing, fetal lung maturity, assessment of hemolytic disease in fetus or intrauterine infection
Adjunct with US
needle through abdominal wall then uterine cavity then obtain amniotic fluid
Amniocentesis
Abdominal or pelvic pain during 2nd trimester
PTL
UTI
Pylonephritis
appendix
Absence of fetal movement during 2nd trimester
fetal distress or death
Prolonged N/V during 2nd trimester
r/o hyperemesis
risk for dehydration and PTL
fever and chills during 2nd trimester
infection
Dysuria, frequent, and urgency during 2nd trimester
UTI
Vaginal bleeding during 2nd trimester
infection
Friable cervix
altered placenta
PTL
$ maneuvers which provide information on fetal lie, presentation, position, and engagement
Done during 3rd trimester
Leopolds maneuvers
3rd trimester labs
Repeat CBC, HIV, RPR
RHo Gam
GTT
H GTT
50 gm glucose drink w/ one hour lab draw post drink
1 hour Glucose Tolerance test GTT
when is the GTT test done
24-28 weeks
> 140 GTT
requires 3h GTT
> 200 GTT
Diagnostic for gestational diabetes
Must be fasting
100mg glucose drink w/ fasting
1h 2h and 3h lab draws
2 of 4 must be elevated GDM
3H GTT