My 2 year old female cat was bleeding a little this morning n when we took her to the near by vet , he told she would have been involved in a fight with another cat which could have caused her to bleed. He pressed against her abdomen and confirmed that she is pregnant. After few hours there was some discharge she is been eating.[SHE HAS GIVEN BIRTH TWICE TO NORMAL KITTENS].
It looks like she is cleaning the placental membrane that comes out after the kitten is born. It is normal in cats. If the kitten are healthy and the mom is taking care of the the kittens then no need to worry.
Observe her for tonight. If she shows signs of pain, laboured breathing or continuous straining without any kitten coming out then visit a vet for a check up.