>>106288374Men can continue to produce sperm well into their old age, but there is a limit on how many eggs are in a womans body, so vampire fertility may have a bit more longevity to it, but there is still likely a limit.
There's also limited days to which an egg can get fertilized between periods, and who knows how vampire periods work, once a month for human women, but for vampires who knows, once a year, once every ten years, shot in the fucking dark chance of getting that egg fertilized.
