antenatal Flashcards
1
Q
ultrasounds
A
pregnant women given 2 ultrasounds
2
Q
dating scans
A
take place 8-14 weeks they determine pregnancy stage and due date for marker chemicals
3
Q
anomaly scans
A
take place 18-20 weeks to detect physical abnormalities in fetus
4
Q
diagnostic testing
A
amniocentesis and chorionic villus sampling CVS
5
Q
amniocentesis
A
carried out 14-16 weeks, small amount of amniotic fluid withdrawn and contains foetal cells
6
Q
amniocentesis karotype
A
normally takes 2 weeks and is a visual display of fetus chromosomes in pairs
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