| A | B |
|---|
| conception | occurs the second when a sperm fertilizes a egg |
| zygote | A fertilized egg. |
| placenta | nourishes the unborn child with food and oxygen |
| embryo | developing human organism after attached to uterine wall. Fed by placenta. |
| fetus | After about nine weeks, the embryo looks unmistakably human. At this stage, it is considered a ________ until the time of birth |
| maturation | the orderly physical and cognitive development of the child; |
| prenatal maturation | development before birth; zygote, then embryo, and then fetus |
| teratogens | any agent that can reach the fetus and cause it harm. In most cases, these are viruses and drugs |
| habituate | when a baby gets bored by a stimuli they have seen a lot; they want novel stimuli |
| uterine wall | where the placenta connects |
| FAS | If the mother drinks during pregnancy; have very distinct facial features) and social-cognitive development |
