My girl laid an egg but still has 3 more

I have a large female normal that laid a perfectly good egg on Friday and I have been waiting to see if she would lay anymore, it is now Monday evening and I just checked and she has not laid anymore but from what I can feel there are 3 more in waiting. What do I do? I have had my girls lay late eggs before but never this late.

Thanks

Time for a Vet Visit! Sounds like she may be egg bound.