beaton dx preg and prenatal Flashcards
When do N/V and breast tenderness (as Sx of pregnancy) tend to occur?
within the first trimester and then they go away
What is quickening?
the date of initial perception of fetal activity
What term describes the blueing of the vagina and cervix in a pregnant woman?
Chadwick’s sign
What term describes the hyperpigmentation of the face giving a raccoon look in pregnancy?
chloasma or melanasma
T/F: a woman is pregnant and feels sick so she goes to bed and feels better in the morning. This is a good sign.
False that is not “a reassuring sign”. Why? Who knows I’ll probably forget this in 1 week.
T/F: a qualitative beta-HCG is good enough to diagnose pregnancy
true, you usually don?t need a quantitative one unless you are concerned about the pregnancy or if it is ectopic
T/F: it is an “encouraging sign” for the beta-HCG to double every week
false, the beta hcg should double every 2-3 days
When can you first see signs of pregnancy in the uterus on ultrasound?
5 weeks
What are 2 ways to determine someones estimated date of delivery?
FDLNMP or first US
When using FDLNMP to estimate EDD, why is it important that the woman has normal periods?
That indicates that she is consistently ovulating at the same time
When does the due date by FDLNMP trump the US due date?
when the FDLNMP due date is within the confidence of the ultrasound it is more accurate
What is the time difference between gestational age and embyrological age?
2 weeks
What is the range that defines full term
37-42 weeks
The FDLNMP to EDD is _______ weeks
40
T/F: most women deliver on their due date
false almost no one delivers on their due date
What test do you need to Dx an ectopic pregnancy?
quantitative B-HCG
What effect on the risk of miscarraige does taking vitamins 3 months before conception have?
reduces it by 50%
Since a pregnant UTI can be asymptomatic you want to Tx in order to prevent what obstetric complication?
PROM
What is the purpose of performing Leopold’s maneuvers after 30 weeks?
This is to determine the presentation of the baby i.e. Breech etc.
What was the issue with AFP as a screening tool?
not specific
What do we look for now on US? (that has replaced AFP)
nuchal lucency, recall that Down’s is assoc. with thickned nuchal tissue
In 1st trimester screening you look for these 2 things in the blood work
PAPP-A is lower than usual with Down’s and Inhibin A which is higher than usual with Down’s
What is the best test to use if there is no US tech to do the nuchal lucency?
Serum Sequential, Integrated (non-disclosure) Screening–well, if this isn’t rote memorization I don’t know what is
When do screening tests for trisomies and neural tube defects get replaced by diagnostic tests?
If there are high risks such as maternal diabetes and previous Hx of having a baby with one of these problems or if the screening test was performed and indicates a higher than normal risk status
What are 2 diagnostic tests that can be done?
INVASIVE amniocentesis or chorionic villus sampling NON INVASIVE cell free DNA
What 4 lab studies should be done at 24-28 weeks gestation?
CBC, 1 hour 50 gram glucola test, Rhogam, and Vaginal culture
When is Group B strep cultured for? What is the Tx?
35-36 weeks, intrapartum antibiotics with penicillin G or ampicillin
Who gets treated for group B strep?
any woman who has had GB”B”S (it’s not even beta hemolytic) bacteriuria or who has given birth to an infant with GBBS disease
What is the newest testing for fetal wellbeing?
Cord doppler velocimetry and is used mostly in pregnancies at risk for IUGR or FGR (same thing)
A normal cord doppler should show what kind of motion of blood flow?
forward flow in both systole and diastole
