The egg lives for about [[1]] if the egg is not fertilized.

The lifespan of an unfertilized egg is typically around 12-24 hours after ovulation, depending on the individual woman's menstrual cycle. Once an egg is released from the ovary during ovulation, it begins its journey down the fallopian tube toward the uterus. If the egg is not fertilized during this time, it will eventually disintegrate and be shed with the lining of the uterus during menstruation. If fertilization does occur, the fertilized egg will continue to travel down the fallopian tube and will eventually implant in the lining of the uterus, where it will begin to grow and develop into a fetus.