prematurity

noun

1. (uncountable, usually)The condition of (a baby, etc.) being premature.

   “The questions of prematurity and low birth weight and the implications for later development are consistent with the theme of risk and vulnerability discussed throughout the book.”

   “Apnea of prematurity represents a striking disorder of respiratory control.”

   “In Table 8.2, problems of prematurity are second only to congenital abnormalities as the cause of neonatal death.”

2. (uncountable, usually)Something that is premature or occurs prematurely.

   “Those individuals in the third group with 5 to 10 prematurities noted averaged 7 prematurities for every 57 heart beats[…].”

   “Not all patients with occlusal prematurities have trauma from occlusion.”

   “Studies might compare the accuracy of locating Centric Relation prematurities determined by mounted diagnostic models and the T-Scan.”