Infants feed less frequently and are less available for interaction after circumcision. Circumcision affects mother-infant interaction. Early Human Development , vol. Consequences for impaired bonding are significant. An estimated minimum of 1.3 to 6.6 million males born in the U.S. between 1940 and 1990 carry some degree of physical complication from infant circumcision.
Unknown numbers carry some form of sexual or psychological complication.
The quality and quantity of long-term negative impacts on men from infant circumcision have never been investigated. Girls have higher rates of UTI in childhood than either intact or circumcised boys. European doctors cite American birthing practices, not the foreskin, as the cause of the U.S. s allegedly higher rate of UTI in intact boys. Breastfeeding has been demonstrated to protect against infant UTI and other infections. Infant circumcision has been demonstrated to potentially contribute to breastfeeding failure.