Have Cat Questions? Ask a Cat Vet Online.
It sounds like she may have a retained kitten or two. If you suspect this, you need to see the vet right away. If the retained kitten is still alive, they might want to give her a shot of oxytocin to speed things along. If the kitten is dead, it still needs to get out.
Cats often need emergency c-sections much like people do.
You need to see the vet with her to determine whether not she has delivered them all.
Let me know if you still have questions.