Standley K, Soule A B, Copans S A, Duchowny M S
Science. 1974 Nov 15;186(4164):634-5. doi: 10.1126/science.186.4164.634.
Administration of local-regional anesthesia during norgnal deliveries was correlated significantly with newborn behaviors as evaluated by the Brazelton neonatal assessment scale. Three days after birth, infants whose mothers received local-regional anesthesia were more irritable and motorically less mature than those infants whose mothers were not medicated.