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Related Flashcards
Cards In This Set
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When does the SECONDARY yolk sac detach from the yolk stalk?
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Approx 6-8 wks gestation
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What does the corpus luteum secrete?
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Progesterone and some estrogen
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What is the most accurate measurement of the embryo in the first trimester?
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Crown-rump length
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MSD for yolk sac
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10 - 20 mm
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MSD for embryo
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18 - 25 mm
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What is the interface that creates the "double decidual sac sign"?
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Decidua capsularis and endometrium
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From what point is the embryologic age calculated?
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From conception
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When is the PRIMARY yolk sac pinched off?
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3 wks menstrual age
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Which cells secrete hCG?
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Trophoblastic cells
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From what point is the menstrual age calculated?
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First day of the last normal period
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What is another name for menstrual age?
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Gestational age
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When the fetal pole reaches ____mm, you should see cardiac activity transabd.
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7
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On which menstrual day is a mature ovum released?
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Day 14
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When and where does fertilization occur?
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1-2 days after ovulation; ampulla of fallopian tube
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After ovulation, the follicle collapses to form the ... ?
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Corpus luteum
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