Repro Genetics Quiz Flashcards

1
Q

What gestation is CVS done at?

A

11-14 weeks

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2
Q

What gestation is amniocentesis done at?

A

> 15 weeks

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3
Q

What type of DNA does NIPT test for?

A

Placental DNA

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4
Q

What is the predictive value of NIPT?

A

90% (not diagnostic)

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5
Q

What infections does a TORCH screen look for?

A

Toxoplasmosis, rubella, cytomegalovirus, herpes simplex and HIV

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6
Q

What is the importance of maternal Ro and La

A

indicates SLE - can cause heart bloc in foetuses

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7
Q

Chromosome Microarray detects

A

imbalance in chromosomes (high resolution)

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8
Q

A foetus that is small for dates at 28 week could be caused by…

A

IUGR, placental dysfunction (PET?)

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9
Q

26 week gestation (anencephaly) termination of pregnancy, which drug is used first?

A
potassium chloride (foetocide)
and then Syntocinon
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10
Q

Rhesus -ve pregnant woman has anti-D antibodies and a heterozygous D +ve partner what is the next appropriate test?

A

NIPD - rhesus type the baby

diagnostic test

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