MOD 7 - OB Terminology Flashcards
FHR
Fetal Heart Rate
inner layer of the amniotic sac, closest to the fetus
amnion
fluid surrounding the fetus; protection, warmth, movement, symmetrical growth
amniotic fluid
cells 5 days after fertilization
blastocyst
outermost layer of the amniotic sac
chorion
fingerlike projections that extend out from the chorion, become fetal vessels which exchange nutrients and waste products from maternal blood
chorionic villi
process of cells dividing in two
cleavage
twins resulting from two zygotes; fraternal twins
dizygotic
one of the three shunts of fetal circulation; links the pulmonary artery with the aorta
ductus arteriosus
one of the three shunts of fetal circulation; shunts half of blood to liver and half to inferior vena cava
ductus venosus
pregnancy outside of the uterus
ectopic pregnancy
developing pregnancy two weeks to the end of the 8th week
embryo
developing human; fetal stage begins in the ninth week
fetus
one of the three shunts of fetal circulation; connects the right and left atrium
foramen ovale
twins resulting from same zygote (identical twins)
monozygotic
32 cells, 3 days post fertilization
morula
substance that causes birth defects
teratogen
gelatinous substance that gives support to the umbilical cord
Wharton jelly
product of egg and sperm uniting
zygote
examiner pushes up on cervix and feels fetus bounce back
ballottement
practice contractions to strengthen the uterus
Braxton Hicks contractions
first “milk”
colostrum
glucose in the urine; sign of diabetes
glycosuria
purple-blue coloration of the cervix when pregnant
Chadwick sign
line in middle of abdomen
linea nigra
curve in spine to support pregnancy weight
lordosis
mask of pregnancy
melasma (chloasma)
craving of non-food items, likely caused by anemia
pica