What happens to the ootid?

The ootid is the final stage in oogenesis, the process of egg cell development in females. After fertilization by a sperm cell, the ootid undergoes maturation to become a viable ovum, completing the transformation. If fertilization does not occur, the ootid degenerates and is eventually absorbed by the body, as part of the menstrual cycle in many mammals. In some species, the ootid may also serve as a source of nutrients for developing embryos.