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31 Cards in this Set
- Front
- Back
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Naegeles rule
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Due date - subtract 3 months and add 7 days to LMP
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Foamy white liquid vaginal discharge + strawberry discoloration of cervix
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TRICHOMONAS
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Chadwick sign
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Bluish-red hue of cervix seen in first trimester
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Shortest anterior posterior diameter through which fetal head must pass
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Obstetrical conjugate
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Pelvis type - most common (50%)
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Gynecoid
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First trimester screening for aneuploidy
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Measurement of nuchal translucency by US + PAPP-A and free beta HCG
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Quad screening
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AFP
HCG estriol inhibin A |
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You do quad screening and it shows low AFP and estriol, high HCG and inhibin - what do you suspect
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DOWNS
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You do quad screening and it shows low AFP, HCG and estriol - what do you suspect
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TRISOMY 18
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Name Hb - 2 alpha chains, 2 beta chains
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HbA
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Name Hb - 2 alpha chains, 2 sigma chains
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Hb A2
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Name Hb - 2 alpha chains, 2 gamma chains
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Hb F
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Sickle cell - what type of inheritance
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Autosomal recessive
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Name Hb - results from substitution from glutamic acid to valine at 6th position in beta globin chain
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HbS
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Tay Sachs - which enzyme is missing
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Hexosaminidase A
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Ultrasound is _ energy and _ frequency waves
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Low
High |
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When is the best time to evaluate fetal anatomy by US
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2nd trimester
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When can you accurately determine gestational age by US
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First trimester
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US - what does fetal biometry include (5)
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Biparietal diameter
Head circumference Abdominal circumference Femur length Fetal weight |
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What amount of amniotic fluid seen on US is considered adequate
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2-8 cm
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Name 5 components of biophysical profile
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Amniotic fluid volume
Fetal tone Fetal movements Fetal breathing Nonstress test |
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Rh negative woman gets amniocentesis - what do you do next
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Give RHOGAM!
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When do you do amniocentesis
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15-18 weeks
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What is the risk of fetal loss with amniocentesis
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0.25-0.5%
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When can you do CVS
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10-12 weeks
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Risk of fetal loss with CVS
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1%
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Can you measure AFP level with CVS
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NO - only amniocentesis
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Rh negative woman gets CVS - what do you do next
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Give RHOGAM!
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Name 2 malformations found in infants of diabetic mothers
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CAUDAL REGRESSION SYNDROME - hypoplasia of caudal spine and lower extremities
CONGENITAL HEART DISEASE - ventricular septal defect |
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What malformations occur in infants whose mothers take anti epileptics
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Cleft lip, cleft palate, congenital heart disease
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Congenital rubella syndrome - what defects do you see
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Neuro- microcephaly, MR, meningoencephalitis
CV - PDA, PA stenosis, AV septal defects Ocular - cataracts, microphthalmia, retinal changes, blindness Inner ear problems IUGD |
