new exam 1 Flashcards
(28 cards)
multiple marker screening
SCREENING -test that measures chemical markers to detect trisomies and NTDs at 11-14 weeks
what is AFP test
SCREEN - glycoprotein produced by fetus - which is drawn at 15 weeks to use as a screening tool for developmental defects
percutaneous umbilical blood sample
SCREEN -needle aspiration of fetal blood for testing metabolic and hematological disorders
what is HCS
preparation of mamillary glands for lactation
who is most affected in autosomal recessive
both equal
endocrine changes in preg 4 things that increase
increased prolactin and oxytocin
increased cortiosol and aldosterone
2 things increased in cardio in preg
fibrin and fibrinogen
progesterone
supports endometrium and relaxes smooth muscle
graviada means
never preg
when is amniotic fluid formed
14 weeks
renal forms when
urine exretion and production week 9
cell free dna test
SCREENING at 10 weeks for fetal Rh status, fetal gender, and other gene disorders
amniocentesis
DIAGNOSTIC test at 14-20 weeks for genetic testing
WHAT Happens in embryonic stage
major body organs complete , amniotic sac and fluid and umbilical cord and placenta are formed
ductus arteriosus
connects pulm artery to the aorta
3 vagina changes in pregnancy
inc vascularity / leukorrhea / more acidic
when is placenta fully functional
8-10
chorionic villus sample
aspiration of placental tissue at 10-13 weeks - doesnt screen for NTD
6 probable signs of preg
pos test
chadwicks sign- blue cervix
goodwells sign - soft cervix
hegars - soft uterine
ballotment - bouncy cervix
braxton hicks contractions
ROLE of hcg
stimulates corpus luteum to secrete estrogen and progesterone
3 things in 2nd tri ultrasound
anatomy scan, placenta, AFI
7 things in amniotic fluid
proteins,
carbs,
lipids,
electrolytes,
cells,
lanugo,
vernix
3 prenatal vitamins
iron, folic acid, Ca
umbilical artery dopper flow use
measures rate and volume of blood in placenta to assess placental function