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29 Cards in this Set
- Front
- Back
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Cysts filling the uterus like a bunch of grapes - think:
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Complete hydatidiform mole
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What causes a hydatidiform mole?
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Blighted blastocyst in uterine wall causes trophoblast proliferation/hypertrophy
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What tests diagnose hydat. mole?
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-Increased hCG
-Ultrasound -Seeing Pre-eclampsia |
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What is pre-eclampsia?
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HTN/proteinuria
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What do complete moles consist of karotypically?
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COMPLETELY paternal chromosomes
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What is a malignant tumor of trophoblast?
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Choriocarcinoma
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How does Choriocarcinoma present clinically?
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Repeated uterine bleeding
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What are 3 things that can cause Choriocarcinoma?
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-Normal pregnancy
-Hydat mole -Abortion |
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How is Choriocarcinoma diagnosed?
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High hCG
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What is the most common cause of premature labor and oligohydramnios?
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Premature rupture of the amniochorionic membrane - breaking of waters
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What is placenta previa?
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Implantation too low in the uterus
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What is a clinical sign of placenta previa?
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Repeated episodes of bright red vaginal bleeding
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What is Placental abruption?
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When a normally implanted placenta prematuraly separates from the uterus before fetal delivery
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What is a clinical sign of placental abruption?
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3rd trimester bleeding with PAIN
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What are 2 risk factors for Placental abruption?
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-Maternal smoking
-Hypertension |
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Why is Erythroblastosis fetalis so fatal?
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Because the hemolysis of fetal RBCs releases lots of bilirubin which damages the brain
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What is Oligohydramnios by definition?
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<400 ml of amniotic fluid in late pregnancy
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What are 2 possible results of oligohydramnios?
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-Potters sequence
-Hypoplastic lungs |
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What is the usual cause of oligohydramnios?
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The fetus fails to MAKE amniotic fluid because of RENAL AGENESIS
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What is Polyhydramnios by definition?
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2000 ml of amniotic fluid in late pregnancy
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What is the usual cause of polyhydramnios?
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Fetus fails to SWALLOW and remove amniotic fluid
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What are 2 conditions that would make the fetus unable to swallow amniotic fluid?
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-Esophageal atresia
-Anencephaly (lack the reflex) |
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What is a common MATERNAL condition that can cause polyhydramnios?
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Diabetes
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What do monozygotic vs dizygotic twins develop from?
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mono - from 1 zygote
di - from 2 |
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What do most monozygotic twins have for
-placenta -chorion -amniotic sac |
1 placenta
1 chorion 2 amniotic sacs |
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What do most dizygotic twins have for
-placenta -chorion -amniotic sac |
2/2/2
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What hormone is found in amniotic fluid?
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AFP - alpha fetal protein
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What is elevated AFP indicative of?
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Neural tube defects - anencephaly
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What is low AFP indicative of?
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Down's syndrome
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