Pinworm Test Collection Guidelines
Pinworms are small white worms about ¼ - ½ inch long and look like a small grain of rice. They can sometimes be seen in and around the child’s bottom (anus) and in bowel movements. These worms live in the intestine. The adult female crawls out of the infected person’s anus at night and lays her eggs on the skin around it. This causes itching and scratching. The worms can also move to the vagina of a female child and cause itching....