Furthermore, some people who consume too much iodine (either from foods or supplements) or who take medications containing iodine (such as amiodarone) may cause the thyroid gland to overproduce thyroid hormones. Finally, some women may develop hyperthyroidism during pregnancy or in the first year after giving birth.
It takes anywhere from 6-8 months from filing of the application to interview. The employment authorization card typically comes 60-90 days after filing assuming all initial evidence has been submitted. After you receive your employment authorization card, you can apply for a social security card.
In the two cases that I am directly familiar with, the invitation to appear for an interview (a required part of the process) came after about two weeks. You then are invited to go online to schedule an interview, and how long it can be before you get an appointment will vary, it could take weeks! If you have the good fortune to be passing through JFK airport, you will be able to get an appointment much faster. My impression is that those folks are the internal champions for this program and they offer lots of interview slots, all day, every day, 7 days a week.