Female Dog Heat Cycle, The most notable sign of a dog’s heat cycle is bloody vaginal discharge, usually lasting between 14 and 21 days. May 27, 2026 · Yes, brown discharge is generally considered normal for dogs in heat. Gatlin says. This discharge, often referred to as estrus discharge, is a natural part of the canine reproductive cycle and typically ranges in color from light pink to dark red or brown. Most dogs will have two heats per year or an average of every 5-11 months. During this time, they release pheromones, which are chemical signals that attract male dogs. Dec 2, 2025 · Wondering what to expect when your dog is in heat? Learn the key signs, how long it lasts, and how to care for your pup during each stage. Understanding what to expect can help you keep your dog comfortable, safe, and healthy throughout her season. Buy 3 Pack Washable Female Dog Diaper with Suspender, Reusable Girl Doggie Diapers for Small Medium Large Doggy in Heat Cycle Period Incontinence -XL at Walmart. Mar 3, 2025 · “Dogs go into heat approximately every 6 months, and factors such as pregnancy, drug exposures, infectious diseases, and underlying health conditions can affect the duration,” Dr. h0a2v8f, xl2w, 4ae, ok, b2vo, zompc1, n3qj, vep, n5l5o, qm,