I don't mean to be rude, but isn't this a planned litter? If so then you should of researched ALL about feline pregnancy therefore you should of already of known to call the vet & to know that it may be normal or may not be.
This should of all been done BEFORE you bred the cats. If this was in fact a planned pregnancy than sorry to say but I take it back & I do mean to be rude.
I am especially dissapointed as this is not the first question/problem you have had with this litter. I really hope you learned a lesson and that is to spay/neuter your animals. I understand everyone has to learn somewhere but when you when you have lives on the line you should always learn everything before you endanger their lives.
Do you know that 7 million cats & dogs are put to sleep every year because they have no homes? This number is only for adoptable animals (it does not include sick or injured cats & dogs nor does it include pets with behavorial issues, it also does not include any other pets like rodents & the like).


I really do hope & pray that you get momma to the vet, get her spayed right after the kitties are weaned & that all the kitties do find forever homes.
Good luck!