Consent Advice

Question 1

Amniocentesis risks

Answer 1

Success on first attempt 94%
Blood stained sample 0.8%
Miscarriage 0.5-1%
Fetal injury rare
Bowel injury rare
Amniotic fluid leakage
Chorioamnionitis <1 in 1000
Failed culture
Mild discomfort

Question 2

Amniocentesis procedure

Answer 2

20-22 gauge needle passed through abdomen
Under US guidance
10-15ml amniotic fluid aspirated
Anti-D if required