Impregnation, gestation, birth, infancy, childhood, youth, middle age, old age and death are the nine states of the body. The jīva is related to different states of the body. Those states are listed. The jīva enters the womb, grows there, comes out of the womb, grows to five years (bālya), then enters pauganda and kaiśora ages till sixteen years. Youth lasts till forty-five years. Middle age continues till sixty years. The rest of life till death is called old age.