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Block 11 Pregnancy

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klau253's version from 2017-05-17 16:18

Pregnancy timeline

Fetus
Question Answer
T1fertilisation, implantation, placenation
T2nervous system, hair, spine straightes, pain
T3fat deposiion, brain electrical activity,blood cells, lung
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Mother
Question Answer
T1nausea, weight gain
T2uterus rises, hypervolemia, cardiac and breast remodelling
T3Braxton-hicks, tiredness, restricted breating, lactation
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Implantation
Question Answer
Villlous trophectoderm cellsinteract with villi on uterine epithelium, finally destroy pimary decidua
Syncytial trophoblastengulfs maternal capillaries
trophoblastic lacunaefills with maternal blood, anastomses with maternal capillaries
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Placenta transport
Embryo intake
Question Answer
GLUTtransports glucose
Lipoprotein lipaseprocesses VLDL and CM
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Embryo output
Question Answer
hCGmaintain CL, stimulates thyroid
Estrogensrequires Fetal/placental cooperation, fetus produces androgen, converted to oestrogen by placenta, relaxes pelvic ligament and increase elasticity of symphysis of pubis
Progesteronecauses decidualization, increases uterine secretions, reduces uterine contraction
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Progesterone role
Question Answer
Hypervolemiaincrease vasodilation while decrease peripheral resistance, increase aldosterone and thirst center
Respiratoryincreases tidal volume, increases responsiveness of CO2
Breastgrowth of alveoli and lobules
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Estrogen role
Question Answer
hypervolemiaincrease angiogenesis, blood flow and venous distensibility, increase aldosterone
Breaststimulates growth and development of milk ducts
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Human placental lactogen
Question Answer
Breastcauses breast, nipple and areola to enlarge
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