Stages of Prenatal Development

Front

The first stage of prenatal development, which lasts about two weeks after conception.

Back

Germinal Stage

Front

The second stage of prenatal development, which lasts about six weeks.

Back

Embryonic Stage

Front

The third stage of pregnancy, lasting from about nine weeks after conception until birth.

Back

Fetal Stage

Front

The age at which most babies could survive if they were born (28th week of pregnancy)

Back

Age of Viability

Front

A period of three months.

Back

Trimester