NORMAL CHANGES (1) Flashcards
(32 cards)
what are the uterine changes that happens during pregnancy?
- length : 6.5cm-32cm
- depth : 2.5-22cm
- width : 4cm-24cm
- weight : 50g-1000g
at early pregnancy, what is the size of the uterine wall?
1-2cm
at the end of pregnancy, what is the size of the uterine wall?
0.5cm
blood flow of the uterus increases because of what hormone?
progesterone
this sign refers to the softening of the lower uterine segment
hegar’s sign
amenorrhea occurs due to the suppression of what?
FSH by rising estrogen levels
this sign refers to the softening of the cervix
goodell’s sign
what increases between cells that causes the cervix to soften in consistency?
increased fluid
what causes the cervix to darken from a pink to violet hue?
increased vascularity
this is the mucus plug that seals out bacteria and help prevent infection in the fetus and membranes
operculum
this sign refers to the discoloration of the vaginal walls from light pink to deep violet due to increased circulation
chadwick’s sign
ph levels of the vagina falls from? which helps the vagina be resistant to what?
- 4 or 5
- bacterial invasion
prolactin is for milk what?
production
oxytocin is for milk what?
ejection
lactation is defined as?
production and secretion of milk by maternal mammary glands following birth
prolactin is responsible for?
development of the mammary glands and production of milk
what is secreted by the anterior pituitary in response to release of PRH?
prolactin
it is produced in the hypothalamus and secreted by neurosecretory cells that extend into the posterior pituitary
oxytocin
marked congestion or stuffiness during pregnancy is due to?
increase in estrogen
what changes occur to the thyroid glands of a pregnant woman?
increased levels of hormones that increase the basal metabolic rate by 20%
what changes occur to the adrenal gland of a pregnant woman?
increases levels of corticosteroids, aldosterone inhibit immune response preventing rejection of fetus
what changes occur to the pancreas of a pregnant woman?
increased insulin production, but is less effective due to estrogen, progesterone, and other hormones that are antagonists to insulin
what percentage does the total cardiac volume increase in a pregnant woman?
30-50%
what is physiologic anemia of pregnancy?
occurs when fetus is growing too fast, so the body breaks down RBC too quickly resulting to anemia.