The life cycle of human being which start from conception of the death mature of old human with the fertilization occurring when the sperm successfully enters the ovums membrane.
The genetical material of the sperm and the egg that combines to form a single cell,called a Zygote and the germinal stage of the parental development commences.
Foetus in the womb
A foetus is the stage in the prenatal development.
In human development, a foetus is a prenatal human between the embryonic stage and birth .The fetal stage of development tend to be taken as the beginning at the gestation age if eleven weeks ; nine weeks after fertilization.
In this stage, we have early childhood stage ((1-3). This early childhood is a stage in human development . This is generally includes preschooler and sometimes afterwards.
Play age is an in specific designation approximately within the scope of early childhood. Some age related development period and example of defined interval are : New born (0-5), Infant age (5weeks - 1 year), Toddler age (1-3 years), Preschooler age (3-5 years), school age( 5-12 years), Adolescent age (13-19 years).
Adolescence(from the Latin adolesene ,meaning "to grow up") is the transitional stage stage of physical and psychology of cultural expression .it is a stage from the age of 13- 19 years.