2 doctors weighed in:
How big is the needle used for an amniocentesis?
2 doctors weighed in

Dr. Ankush Bansal
Internal Medicine
1 doctor agrees
In brief: See below
Depending on whether it has side ports and/or a catheter, the needle is 8-15 CM long and 20-21g (about 0.
8-0.9 mm wide).

In brief: See below
Depending on whether it has side ports and/or a catheter, the needle is 8-15 CM long and 20-21g (about 0.
8-0.9 mm wide).
Dr. Ankush Bansal
Dr. Ankush Bansal
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