The swallowed larvae return to the small intestine and grow and mature into adults. This happens about 2 months after the egg was swallowed.
How long does it take to develop intestinal worms?
After the eggs have been swallowed they pass into a person's intestine, where they hatch. After about 2 weeks the threadworms will have grown into adults, at which point they'll reproduce and the cycle of infection will start again.
How fast do parasitic worms grow?
They then move through the rectum to the lower intestine, where they grow to adult size within two to six weeks. Pinworm infections can be spread as long as either worms or eggs are present.
What poop looks like when you have worms?
In stools, the worms look like small pieces of white cotton thread. Because of their size and white color, pinworms are difficult to see. The male worm is rarely seen because it remains inside the intestine.
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