No it's NOT normal, they usually come into heat 6, 7 sometimes as late as 8 months old. Is it possible she was in heat and you didn't notice it? If you're SURE she has NEVER gone into heat I suggest you take her to your vet.
__________________ Joan, mom to Cody  RIP Matese  Schnae  Kajon Kia  forever in my  A House Is Not A Home Without A Dog |