I don't think worms can get inside an egg but i don't know that for sure. That would be
Egg withdrawal is the amount of time that you can't eat the eggs after worming or treatment of some sort for health issues. The withdrawal amount might be 14 days so in those 14 days you dispose of any eggs...
The wormer i bought said that there is not withdrawal on chicken eggs.... It is a poultry and pig wormer and it only had a pig withdrawal saying you can't eat the meat within a few weeks. That is only mine though...