session 2 Flashcards by evelyn zielinski | Brainscape

Q

% of UK twin pregnancies that are MC

A

30%

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Q

% of MC twin pregnancies complicated by TTTS

A

15%

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Q

% of MC twin pregnancies complicated by sGR

A

10-15%

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Q

formula for calculating growth discordance in twins

A

(EFW larger - EFW smaller / EFW larger) x100

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Q

USS criteria for Type 2 SGR

A

absent or reversed EDV

high risk, up to 29% IUD or PTL

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Q

USS criteria for Type 3 SGR

A

cyclical or intermittent EDV

10-20% unexpected fetal demise

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Q

abruption recurrence following 1x

A

4.4%

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Q

abruption recurrence following 2x

A

19-25%

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Q

parvovirus % vertical transmission <15/40

A

15%

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Q

parvovirus % vertical transmission 15-20/40

A

25%

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Q

parvovirus % vertical transmission term

A

70%

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Q

cervical cancer incidence

A

9/100 000

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Q

vulval cancer incidence

A

3.7/100 000

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Q

endometrial cancer incidence

A

26/100 000

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