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27 Cards in this Set
- Front
- Back
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#1 location ectopic pregnancy
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Fallopian tubes
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Blood in intervillous space
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Maternal blood
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1st trimester villi
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little vessels, lot of stroma
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3rd trimester villi
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dense capillaries, thinned out stroma; syncytial knots
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Cord vascularity
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2 arteries & 1 vein
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Placenta accreta
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no decidua, attachment of the villi to the myometrium
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Placenta increta
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villi invading the underlying myometrium
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Placenta percreta
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villi penetrating the full thickness of the uterine wall
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Placenta previa
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implant over the cervical os
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Abruptio placenta
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placenta has separated prematurely; the most common cause of late pregnancy bleeding
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Monochorionic
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identical twins
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Dichorionic
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Identical or fraternal twins
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Monoamnionic
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identical twins
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Diamnionic
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Identical or fraternal twins
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4 sx of preeclampsia
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HTN, edema, proteinuria, weight gain
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Eclampsia sx
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eclampsia (HTN, edema, proteinuria, weight gain) + seizures
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Path of preeclampsia
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imbalance favoring vasoconstrictors over vasodilators, resulting in placenta hypoperfusion; spiral arteries with intimal atherosclerosis
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Gestational trophoblastic disease (mole)
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benign tumors of the chorionic villus: trophoblast develops & forms placental membranes, although little or no embryonic tissue is present
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Complete mole genotype
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46XX or 46XY, but both paternal, no maternal DNA
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Partial mole genotype
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69XXY or 69XXX, 2 paternal & 1 maternal DNA
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Complete mole
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Marked vaginal bleeding, diffuse atypia, large uterus, -p57, hCG in tissue, no fetal blood vessels, increased risk choriocarcinoma
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Partial mole
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Little vaginal bleeding, minimal atypia, small uterus, with fetal blood vessels, nucleated RBCs
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Invasive hydatidiform mole
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penetrates or perforates uterus; produce hCG
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Sx of invasive hydatidiform mole
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vaginal bleeding, abdominal or distant hemorrhage
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Choriocarcinoma causes
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50% mole, 25% abortion, 25% normal pregnancy
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Choriocarcinoma
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rapidly invasive & metastasizing neoplasm, Vaginal bleeding (hemorrhagic tumor); very high hCG
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Choriocarcinoma mets
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50% lungs (only Stage III, all other mets stage IV)
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