abecedarian
aboriginal
antenatal
autochthonous
beginning
budding
creative
elemental
elementary
embryonic
fetal
formative
foundational
fundamental
gestatory
in embryo
in its infancy
in the bud
inaugural
inceptive
inchoate
inchoative
incipient
incunabular
infant
infantile
initial
initiative
initiatory
introductory
inventive
nascent
natal
original
parturient
postnatal
pregnant
primal
primary
prime
primeval
primitive
primogenial
procreative
rudimental
rudimentary
ur
perinatal
B cell
abdominal
bariatric
cardiac
dental
high-potency
hormonal
intensive
maternal
micronutrient
multiple-choice
neurological
nutritional
ocular
on-site
out-patient
pediatric
pituitary
postoperative
pre-implantation
psychiatric
suboptimal
Natal
fatal
neonatal
nonfatal