Where Do Threadworms Lay Their Eggs?

Threadworms lay their eggs around an infected person's anus (bottom), usually at night. Along with the eggs, the worm also secretes a mucus that causes itching. If the eggs get stuck on the person's fingertips when they scratch, they can be transferred to their mouth or on to surfaces and clothes.

Do Threadworms lay eggs inside you?

Female threadworms lay an average of 11,000 tiny eggs, which are invisible to the naked eye. She lays these eggs outside the anus, or, in girls, around the vagina and urethra. Eggs are usually laid at night whilst the child sleeps.

Where do Threadworm eggs live?

Threadworms live about 5-6 weeks in the gut, and then die. However, before they die the female worms lay tiny eggs around the anus. This tends to be at night when you are warm and still in bed. The eggs are too small to see, but cause an itch around the anus.