Have you offered your female somewhere to lay her eggs? If not, you need to. Here is a good article about making a nesting site. You can also use an empty trashcan, fill it with a sand and dirt mixture about 12-15", and stick a plant in there. Use a clamp lamp for light. Place your chameleon in there. Make sure that the soil is damp enough that, when you dig a tunnel and pat down the inside, it stays a tunnel.