Pregnancy overview Flashcards
what hormones increase with pregnancy
Increasing levels of
Estradiol and
progesterone Placental hormones
(HCG)
Increasing levels of estrodial stimulates lactotrophs in the anterior lobe of the pituitary gland, resulting in increased \_\_\_\_\_ output, which readies the breast for lactation
prolactin
\_\_\_\_ resets the receptors for thirst and ADH release, leading to decreases in serum sodium concentration and possibly, polyuria.
Human Chorionic Gonadotropin
HCG
Fluctuations in free \_\_\_\_ and \_\_\_\_ levels and in TSH occur as a result of HCG stimulation on TSH receptors and estrogen effects on thyroxine- binding globulin
T3 and T4
\_\_\_\_ and \_\_\_\_ lower esophogeal tone, contributing to symptoms of reflux and heartburn
Progesterone and
estradiol
Increased levels of corticotrophin- releasing hormone (CRH) and ACTH trigger \_\_\_\_\_
labor
uterus becomes easily palpable beyond
12-14 weeks
by week ____ the uterus straightens
12
vagina becomes bluish due to increased vascularity
chadwick sign
palpable softening of the vaginal isthmus
hegars sign
thin, pink bands which appear as a result of tearing of the collagen in the dermis and stretching of the skin
straie gravidarum
by day seven the embryo resembles a microscopic ____ and implants into the lining of the uterus
rasberry
by the end of ___ weeks, a rudimentary heart tube begins to beat and circulate the blood
3
By the end of the ___ week, baby is the size of a green pea (or about 0.4
inches).
5th
At ____ weeks, baby is around an inch long or the size of a small olive.
7
Researchers estimate that by ___ weeks, one hundred thousand new nerve
cells are created every minute.
7
At ___ weeks, baby is around the size of a large olive at 1½ inches long and
½ ounce in weight.
8
weeks ____ The fetus is about the size of a peach
13-16