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the ___ develops between week 3 & 12; hCG is at its highest (about 9th week); site of exchange between mother & fetus; produces hormones needed to sustain pregnancy.
the ___ stores nutrients such as carbohydrates, calcium, iron, glycogen, protein & fat which are released into fetal circulation as needed.
oxygen, CO2, nutrients, waste, alcohol, drugs, certain viruses (HIV, hepatitis B, measles, german measles), IGG CAN/CANNOT? penetrate the placenta.
___ are finger like projections (blood vessels) that project into the endometrial wall of the uterus;
___ is the hormone is responsible for development of the mammary glands, late in the 3rd trimester.
CRH, ACTH, CORTISOL, OXYTOCIN
the hormone ___ involved in the timing mechanism of baby being born; activates baby to release the hormone ___ which causes the adrenal glands to secrete the hormone ___, which is connected to the release of the hormone ___ from baby, that helps to begin contractions.
CONNECTING STALK, ARTERIES, VEIN, STEM
the umbilical cord is the connection between placenta & embryo; develops from the ___; consists of 2 ___ & 1 ___; and ___ CELLS.
the ___ consists of baby urine & materials from moms blood; helps prevent adhesions; prevents baby from drying out; shock absorber; temperature regulator;
___ is established at week 4; where all the organs have been developed; immature but still working.
___ is preprogrammed cell death by lysosomal digestion; skin between fingers & toes is digested; occurs week 5-8.
___ is a greasy cheese substance that sticks to the skin for protection; prevents baby from drying out skin.
a permature baby born at ___ weeks is not fully developed; before the 3rd trimester; will have under developed surfactant, cerebral cortex & adipose tissue.
___ are high frequency sound waves that produce a black & white image; routinely given; determines age & growth of fetus.
amniocentesis is done at about the ___ week; done to determine if there is a genetic disorder; done while fetus is ___.
___ test is done to detect ___ levels, if levels are high after the 16TH week baby could be down syndrome.
CHORIONIC VILLI SAMPLING (CVS)
in ___ a catheter is guided thru the vagina & cervix to the chorionic villi by ultrasound guidance; tissue is suctioned out for chromosomal analysis.
DILATION (AKA DILATATION)
___ stage of labor is when the cervix opens; could take many hours to reach 10 cm; oxytocin encourages the contractions of the uterus.
an ___ is a cut from the vagina to the anal area; opens up the vaginal region and makes the birth easier.
___ stage of labor happens within 15-30 min. after birth; progesterone & estrogen levels go down & trigger the release of prolactin, decreases dopamine, increases oxytocin; placenta is delivered.
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