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Pregnancy: No specific disturbances to the reproductive process have so far been reported, eg, no increased incidence of malformations. Adverse effects in fetal due to local anaesthetics, seem to be most apparent in paracervical block anaesthesia. Large dose can cause fetal bradycardia and can cause neonatal respiratory depression hypotonia. Such effects may be due to high concentrations of anaesthetic reaching the fetus from used locally to provide analgesia prior to episiotomy and during repair of obstetric lacerations. Administration by the perineal route may effects results in greater absorption than administration by the epidural route however when used in appropriate doses the risk of the fetus is low.
Lactation: Lidocaine may enter the mother's milk, but in such small amounts that there is generally no risk of this affecting the neonate.
