system changes during pregnancy Flashcards
uterus (whats NL)
pear shaped
size of fist
wall: 1-2 cm wide
wall of uterus during preg. will stretch and be thinned out to how many mm? what is to be avoided during this time?
5 mm
avoid injury to abdomen
give in oz/lbs and grams of the increased weight found in pregnancy contributed to the uterus (ranges)
2oz-2.2lbs
50-1000grams
uterine growth is determined by what 2 things?
hypertrophy
hyperplasia
describe hypertrophy
pre-existing muscle fibers become 7-11 times longer/ 2-7 times wider
why does hypertrophy occur?
d/t estrogen
describe hyperplasia
formation of new muscle fibers contains about 1/6 of total blood volume at birth
mucous in cervix thickening is produced by what hormone?
progesterone
increased discharge of this item from the cervix
mucorrhea (increased discharge)
why does mucous plug occur in the cervix during pregnancy?
prevent entrance of toxins/bacteria
signs in the cervix(2)
goodell & chadwick signs
give whether the FSH in the ovaries increase/decrease
decreases
give whether the estrogen in the ovaries increase/decrease
increases
give whether the progesterone in the ovaries increase/decrease
increases
corpus luteum functions until the _____ weeks
12th
the increased secretions from the vagina are what? acidic or alkaline? give range
acidic (ph; 3.5-3.6)
what hormone producing thick loose connective tissue in the vagina contribute to it?
increased estrogen
is blood supply to the vagina increased/decreased during pregnancy?
increased
acidic conditions in the vagina are beneficial for what reasons?
lowers r/o infection
prevents bacteria entrance
watch for what condition in the vagina during pregnancy?
monilia (yeast infection)
growth of what in the breast during pregnancy?
growth of areolar tissue
in the breasts, d/t estrogen & progesterone, what is hypertrophied?
hypertrophy of montgomery follicles