A 37-year-old member asked:
How much fluid do they take for amniocentesis?
2 doctor answers • 7 doctors weighed in

Dr. Karl Muenchanswered
Clinical Genetics 62 years experience
About 30 cc: About 30 cc of the approximately 300 cc of amniotic fluid present at the usual time of amniocentesis for prenatal diagnosis. The amount removed causes no harm and is rapidly restored from the maternal circulation.
6.1k viewsReviewed >2 years ago

Dr. Stephen Pappachenanswered
Obstetrics and Gynecology 23 years experience
15-20 cc: It is important to have an adequate amount for testing.
277 viewsReviewed >2 years ago
Last updated Sep 17, 2018
People also asked
Connect with a U.S. board-certified doctor by text or video anytime, anywhere.
24/7 visits - just $39!
50% off with $15/month membership
Disclaimer:
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.