How do leech reproduct?

Leeches reproduce primarily through sexual reproduction, with most species being hermaphroditic, meaning they possess both male and female reproductive organs. During mating, two leeches exchange sperm, which they later use to fertilize their eggs. After fertilization, the eggs are often laid in a cocoon, which the leech secretes and attaches to a substrate. Some species can also reproduce asexually through fragmentation, where a part of the leech can grow into a new individual.