How much time left until my cat has her kittens?

My cat Heidi is pregnant but I'm not exactly sure for how long, She is rather big and I can feel the kittens moving a lot in her belly, I can't exactly see the kicks though because Heidi has very long hair, there are also huge lumps on her sides...she has been nesting recently, but there's something strange about her because her nipples aren't that big and also they're not so pink, so how much is left until the kittens arrive? this is her first littler so I'm very excited to see her little babies (my grand children)!  

She is nearing the end!

Can you keep her 100% inside and away from intact males from now and until the kittens have weaned?  Do you plan to spay after this litter?

I always tell my mum not to let her go outside but she lets her out sometimes. she doesnt really like being outside anyway she goes straight back in.. i dont know If im going to spay her or not because I love kittens and lots of people I know want kittens so.. yeah

Heidi7347 said:

 
I always tell my mum not to let her go outside but she lets her out sometimes. she doesnt really like being outside anyway she goes straight back in.. i dont know If im going to spay her or not because I love kittens and lots of people I know want kittens so.. yeah

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She must stay inside.  The kittens could die if they are born in an unsafe area, or if mom gets pregnant again immediately after having them, or if she bring backs diseases or parasites, or if she doesn't come back.

It's not good for a cat to have litter after litter.  Each heat increases the chance of your cat getting mammary or uterine cancer later.  She also runs the risk of getting pyometria with each heat, which is an infection of the uterus that is fatal if not treated.

Sex is painful for your cat.  Random males who mate her will bite her neck and their penises have barbs.  She can get sexually transmitted diseases this way.

Yes, kittens are cute.  There are thousands and thousands who need homes.  Please do the right thing for your cat.

Thanks for the wonderful advice!