Hi, I’m the proud owner of 4 mastiffs but would like to hear from anyone who’s experienced the same situation as me. I have 2 Dogue de Bordeaux’s, Mungo and Mavis who are 13 months old. Mavis had her first season late November and then she came into season again 3 weeks ago. Even my vets said it was unusual. She’s too young to spay at the moment but I’m worried that she might have another season so quickly. Has this happened to anyone else?