Prenatal Care Flashcards
(23 cards)
PN Care Schedule
Q4 weeks until 28 weeks
Q2 weeks 38-36 weeks
Q week 36 weeks - birth
1st Trimester Dates
Up to and including 13 6/7
2nd Trimester Dates
14 0/7 through 26 6/7
3rd Trimester
27 0/7 +
Urine hCG test
Qualitative, + 14 days after conception, Discriminatory level is 25-50mlU/mL
Serum testing
Detects levels 1 week after conception
25 is positive
Discriminatory Zone
Level of beta hCG at which we would expect to see on an US a viable intrauterine pregnancy. 1500-2000
Beta hCG doubling
Double q48-72 hours
GP(TPAL)
G- Gravidity (number of pregnancies)
P - Parity ????
Nagele’s Rule
First day of LMP
Add 7 days
Subtract 3 months
Assign next calendar year PRN
Appearance of Gestational Sac
4.5-5 weeks
Appearance of Yolk sac
5 weeks
Cardiac activity
5.5-6 weeks
Measurable crown rump length
6 weeks. Most reliable way to calculate EDD
When is yolk sac visible?
When the gestational sac is 20 mm
When is the fetal pole visible?
When the gestational sac is 20 mm
Fundal height by week (12, 16, 18, 20)
12 wks - At Symphysis pubis
16 wks - Halfway between SP and U
18 weeks - Two finger-breaths below U
20 weeks - At U
GP(TPAL)
Gravidity (pregnancies), Parity (delivered after 20 w), Term, Pre-term, Abortions, Living
You change to EDD if there’s a difference between LMP and sono….
> 7d (1st tri)), >10d (2nd tri)
Nagele’s Rule
First day of LMP +7 days, -3 months, adjust the year PRN
Components of initial PE
Vitals, ht/wt, Urine dip (glucose, protein, C&S), head to toe, pelvic (GC/CT, bimanual, pelvimetry)
Weight gain goals
Underweight (12.5-18) 28-40, Normal (18.5-24.9) 25-34, Overweight (25-29.9) 15-25, Obese 11-20
Standard pre-natal labs
CBC, Blood type and Rh, Hbg electrophoresis, HBsAG, Rubella, RPR, Lead, HIV, TB
