Hello, my cat gave birth to her 1st litter of kittens on Monday 24th June, she's had 2 little one anyway I flea and worm her every month, but she is due her next flea & worm treatment this week, is it safe for me to treat her while she is nursing newborns? I use frontline pippette dropper for fleas and I use milbramax worming tablets, both were approved by the vet when she was pregnant, but I'm not sure if its safe to use around the baby's? Can somebody advice me please? Thank you, Kelly