Final answer:
Oogenesis, the process of egg production in females, begins before birth and continues until menopause.
Step-by-step explanation:
Oogenesis, the process of egg production in females, begins before birth. It involves the formation of primary oocytes from ovarian stem cells during fetal development. These primary oocytes are then arrested in the stage of meiosis I until puberty, when they resume and continue until menopause.