A 24-year-old female asked:
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i had a mole biopsy at 14 weeks pregnancy and they used a local anesthesia shot (i think lidocaine) did this harm the baby?

2 doctor answers
Dr. James Ferguson
45 years experience Pediatrics
Wouldn't think so: To affect a fetus any medication exposure would need to reach a detectable level in the blood flowing through the placenta. A local injection of xylocaine would dissipate quickly & therefore have little chance of reaching the general circulation.
Answered on Apr 8, 2020
Dr. Leslie Wynne iii
36 years experience Anesthesiology
No: Lidocaine does not cross the placenta in an appreciable amount.
Answered on Apr 25, 2020

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Yes: It certainly can be and often is.

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