describes the period of time following the birth of a child up to 1 month of age where they become an infant. Excluding humans, the neonatal period fluxuates between species, for example in dogs, the neonatal period lasts from 12 to 14 days whereas in rats it is up to 21 days.

NEONATAL PERIOD: "A new-born baby is classified as a neonatal from conception up until 1 month old."
Cite this page: N., Pam M.S., "NEONATAL PERIOD," in, April 7, 2013, (accessed May 13, 2021).