So, I'm having a hard time with my new kitten. She uses the litterbox just fine. After using it, she gets out and only cleans her butt after a few or so minutes. By the time she does, she was on a lot of furniture already. I keep finding little poop stains everywhere. I also let her come into the bedroom, as I generally don't mind it, if it wasn't for the poop stains.

I'm actually not sure if she always cleans herself after using the litterbox, or if she sometimes doesn't clean at all. But when I did catch her cleaning herself, a few minutes have passed from her litterbox visit.

This is my first cat, so I'm not sure. Is this a problem many cat owners have? Do you just have to live with it? Or is there a way to teach her to clean herself as soon as she gets out?

PS: Could this have something to do with the type of litter used? Or perhaps with the litterbox itself? I have a closed litterbox, and fine clumping litter.

In response to the comments:

As this is my first cat, I wasn't sure if cats groom right after having used the litterbox. I can change the food. I have bought a sample set of two different brands for the wet food. The first week or so after I got her, she was only eating dry food, as she didn't seem to like the brand of wet food. And now that I think about it, I don't think I had seen any poop stains in the first week. So it seems to be an issue with the wet food. I wonder if it's just the transition to wet food. I leave out dry food during the day, and then feed her wet food in the evening.

The kitten covers her waste immediately, that makes it a bit harder to check. Whenever I cleaned the litter box, the waste seemed to be normal color. It did look a bit too "bright" once or twice. The consistency/shape usually looked pretty normal to me. There were a few occasions where the shape seemed to be a mixture between normal and "clumped together", if that makes any sense. As mentioned above, I think the problem with the poop stains started only after she started eating wet food too.

Is there any way I can help with that? Obviously, if it keeps happening, I'll try a different brand of wet food. How long do cats usually need to get used to a new food or new diet? I'm currently feeding her dry food during the day, and then wet food in the evening.