When does a miniature pincher start her heat cycle?

A miniature pinscher typically starts her heat cycle, also known as estrus, around 6-12 months of age. However, the exact timing can vary depending on the individual dog and breed. Signs of heat in a miniature pinscher include swelling of the vulva, a bloody discharge, and behavioral changes such as increased clinginess or restlessness. It is important to monitor your dog closely during this time and consider spaying if you do not plan to breed her.