Key Terms

amniotic sac

apoptosis

cephalocaudal development

colic

conception

developmental resilience

dose-response relation

embryo

embryonic stem cells

epigenesis

fetal alcohol spectrum disorder (FASD)

fetus

fraternal twins

gametes (germ cells)

habituation

identical twins

infant mortality

low birth weight (LBW)

meiosis

mitosis

neural tube

non-REM sleep

phylogenetic continuity

placenta

premature

rapid eye movement (REM) sleep

sensitive period

small for gestational age

state

sudden infant death syndrome (SIDS)

swaddling

teratogen

umbilical cord

zygote