dystocia

1. (medicine, veterinary medicine) A slow or difficult labour or delivery.Examples: "In macaques, baboons and chimpanzees, dystocia because of breech birth is the commonest category of fetal death.[…]Breech dystocia is rarely a problem for mother or neonates in small, multitocus species like marmosets and tamarins."; "Dystocia is defined as difficult delivery. Pelvic dystocia is due to aberrations of the pelvic architecture and its relationship to the presenting fetal part.[…]Fetal dystocia may be due to excessive fetal size from gestational diabetes or congenital anomalies."; "Although fetal dystocias are sometimes relieved by manipulation and instrumentation, cesarean sections are often the only practical methods of treatment."countableuncountable