Retained sperm

[jessesgirl]

My normal female laid eggs on December 5th. We'd only had her a couple of weeks, maybe a month and hadn't put her with the male, but who knows what the previous owner had done. Anyway, she has been very grouchy since she laid, not really wanting to be touched and I put it off as just trying to get back to normal after pregnency. She has also had an incredible appetite, but was a good eater the whole time, so I thought nothing of it. We haven't put her with a male since we've had her, so imagine my surprise this a.m., when I took her out and felt a belly full of eggs!
How long can a female retain sperm, and should I expect another fertile clutch? Would she lay eggs if she isn't fertile? I'm so confused, not to mention shocked, and panicking over incubator space... Please help!