When this happens, the thyroid gland is no longer under pituitary control. The amount of hormone it produces is dependent on levels of TSI. TSI are the direct cause of hyperthyroidism in Gravesâ disease and various immune system chemicals known as cytokines also contribute to the symptoms that occur in this disorder.
Confidence votes 20. Female Iguanas will lay eggs when they become sexually mature, which is around 1.5 to 2 years old. They do not need to be fertilized to lay so therefore do not need a male Iguana. They need to be healthy before they lay or else there can be very serious problems.
Once your iguana has laid her eggs, you can remove the eggs and nesting box and discard the eggs. It's a good practice to freeze any eggs overnight before discarding to prevent any chance of future hatching in a landfill. Iguanas do not have maternal instincts and do not care for their eggs or young.