Amniocentesis Flashcards
1
Q
When is amniocentesis offered?
A
- High risk of fetal abnormality
- Women considered to be at high risk (>35 years old)
2
Q
When is amniocentesis usually performed?
A
16 weeks
3
Q
What is the risk of fetal loss?
A
0.5-1%
4
Q
How long does it take for the karyotype results to come back?
A
3 weeks.
5
Q
In how many cases is the karyoptype wrong and why?
A
1/1000
Due to maternal cells being present.
6
Q
What conditions may be diagnosed through amniocentesis?
A
- Neural tube defects (raised AFP levels in the amniotic fluid)
- Chromosomal disorders
- Inborn errors of metabolism
