Prenatal Care Flashcards
What supplementation is important in preconception care?
Folic acid and vitamins
What medications are of concern with epilepsy and pregnancy?
Phenytoin
Valproic acid
Carbamazepine
When is the most important timeframe for organogenesis?
First 12 weeks
What is considered “pre-term”?
< 37 weeks
What is considered “term”?
37-42 weeks
What is considered “post-term”?
> 42 weeks
What is the timeframe of the first trimester? What is its role?
LMP to 12 weeks
Embryo develops major organs and becomes a fetus
What is the timeframe of the second trimester? What is its role?
13 weeks - 27 weeks
Fetus continues to develop and reaches viability
What is the timeframe of the third trimester? What is its role?
28 weeks - 40 weeks
Fetus finishes developing and prepares for delivery
What is Naegele’s Rule?
EDD
First day of LMP - 3 months + 7 days + 1 year
When is quickening experienced?
Primigravid? 18-19 weeks
Multigravid? 16-17 weeks
When are fetal heart tones first heard?
Doppler 10-12 weeks
Fetoscope 18-20 weeks
How do you date the delivery in the first trimester?
Ultrasound
G(n)P(fpal)
What does the G(n) stand for?
Gravida: Number of pregnancies total
G(n)P(fpal)
What does the “f” stand for?
Number of full term births
G(n)P(fpal)
What does the “p” stand for?
Number of preterm births
G(n)P(fpal)
What does the “a” stand for?
Number of abortions, spontaneous or elected, or ectopics
G(n)P(fpal)
What does the “l” stand for?
Number of living children
What are the drug classifications and what do they mean for pregnancy?
A: Studies in humans no risk B: Studies in animals no risk C: No adequate studies D: Evidence of fetal risk but benefit may outweigh risk X: Fetal risks clearly outweigh benefit
What is an ultrasound marker that can show trisomy 13, 18 or 21?
Nuchal lucency
What are risks associated with chorionic villus sampling?
When do you do it?
Miscarriage, inconclusive test results, <1% risk of limb defects
Do at 10-12 weeks gestation
Increased alpha fetoprotein?
Neural tube defects
Decreased alpha fetoprotein?
Down syndrome
What is involved in the quad screen?
Alpha fetoprotein
hCG
Pregnancy-associated plasma protein A
Unconjugated estriol