The Eight Stages of the Lifespan

Stage Age Range

Prenatal Conception to birth

Infancy 0-2 years

Early childhood 2-6 years

Middle childhood 6-12 years

Adolescence 12-18 years

Young adulthood 18-40 years

Middle adulthood 40-65 years

Late adulthood 65+ years

We all start as girls and can stay this way or grow to be male

X chromosomes = male

Y chromosomes = female

A miracle to have children not easy to have children

Teratogens

Creates problems in fetus

Irradiation – Malformation of organs

Rubella (German Measles) – Mental retardation, sensory damage

Vitamin A – Eye damage, cleft palate malformation

Alcohol – Fetal alcohol syndrome, mental retardation

Vitamin D – Mental retardation

Corlisone – Cleft palate malformation

The Agar scale – Doctor uses to determine if child is healthy or not

Reflex Stimulus Response

Grasp Object placed on palms Hands grasp object

Sucking Touch lips Sucking movements

Rooting Touch cheek Head turns toward touch

Babinski Touch sole of foot Toes spread