Harris taught the mothers prenatal and postnatal care as well as basic sex education.
postnatal mortality reduces the progeny to a still smaller number.
No postnatal specimens which show deciduous incisors have been examined.
The markings of the shell change first when postnatal growth begins and again when sexual maturity is attained.
Two subadults and three nestlings in postnatal molt were obtained; no eggs were found.
Coultas obtained two chicks (one in postnatal molt) in November and December, 1931.
At Palau, Coultas took one female tern in postnatal molt on November 8.
In man, postnatal care by the parent for five or six years is necessary even for the physiological survival of the offspring.
There is a high death-rate from tuberculosis among infants, but the infection is postnatal.
The following listing describes changes in postnatal development of young, of each species, from birth to nine weeks of age.
postnatal post·na·tal (pōst-nāt'l)
Of or occurring after birth, especially in the period immediately after birth.