Pre-natal development

       Biological statusZygote - Concepcion to 2 weeksEmbryo - week 2 to week 8Fetus- week 8 - birth

neurogneisthe proliferation of nerves though cell division

synaptogenesisbegins prenatal and proceeds rapidly

synapseelimination prunsat surplus connection

Environment

Teretogens-environmental elements that harm development

ExamplesDrugs, AlcoholtobaccopollutionPCB

Mothers poor eating habits->lack of nutrition for baby

Living in a highly polluted area can mean a lack of oxygen reaching the baby-> lung problems, ectA stressful home life can effect the mothers health -> the babys health

biological

enviorment