antenatal Flashcards

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1
Q

ultrasounds

A

pregnant women given 2 ultrasounds

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2
Q

dating scans

A

take place 8-14 weeks they determine pregnancy stage and due date for marker chemicals

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3
Q

anomaly scans

A

take place 18-20 weeks to detect physical abnormalities in fetus

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4
Q

diagnostic testing

A

amniocentesis and chorionic villus sampling CVS

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5
Q

amniocentesis

A

carried out 14-16 weeks, small amount of amniotic fluid withdrawn and contains foetal cells

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6
Q

amniocentesis karotype

A

normally takes 2 weeks and is a visual display of fetus chromosomes in pairs

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7
Q

chorionic villus sampling

A

sample of placental cells, cells are cultured and used for karyotyping (instant) higher risk of miscarriage bc done earlier in pregnancy as 8 weeks

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