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How do I handle my puppy's first season or adolescence if she is not being spayed yet?

Published October 26, 2026

The short answer

Expect her first season to bring swelling, a bloody discharge, restlessness and intense interest from male dogs for roughly three weeks, and manage it with lead-only walks at quiet times, no off-lead freedom, and careful door discipline at home. Washable bedding, dog pants if she tolerates them, and wiping paws after walks keep the house manageable, while extra restlessness is met with indoor training games rather than longer outings. Note her season dates, behaviour changes and vet advice together in KinsLe's Pet Passport, so you have an accurate record to discuss spaying timing with your vet.

What A First Season Actually Looks Like

A first season most often arrives somewhere between six and twelve months, earlier in small breeds and later in large ones, and it unfolds over roughly three weeks. The early stage brings a swollen vulva, a bloody discharge, more frequent urination, and a puppy who is restless, clingy, or oddly distracted. The fertile middle stage is when she may actively flag her tail aside and seek male attention, and this is precisely when she must not get it. The final stage winds down as discharge fades and swelling settles. Knowing the arc matters because the risky days are not the messy first ones — owners relax too early, and most accidental litters happen in week two.

Walks, Doors And Determined Visitors

For the whole season, walks are on a lead, at quieter times, and away from popular dog routes. No off-lead exercise, no dog park, no exceptions for a dog who is usually reliable, because an entire male dog can scent her from a remarkable distance and both dogs will work hard to meet. At home, treat doors and garden gates like airlocks: she does not go into an unsecured garden alone, visitors are warned before they prop the front door open, and any resident entire male needs a genuine management plan of separate rooms and supervised swaps, not optimism. Walk her enough to toilet and sniff, then bring the enrichment indoors — training games, chews, and scent hunts in the house burn the restless energy without advertising her whereabouts.

Living With The Mess And The Mood

Washable covers on her bed and favourite resting spots, old towels on the route to the garden, and dog pants — if she accepts them calmly — keep the house sane. Some bitches clean themselves constantly and barely mark anything; others drip through the house and need the pants and the laundry routine. Expect appetite wobbles, sleep changes, and a training dip that mirrors adolescence generally: cues she knew can look forgotten because her brain is busy. Keep training short, kind, and easy to win during these weeks. This is not the moment to introduce stressful novelty or judge her reliability; it is a hormonal weather system to manage until it passes.

Adolescence Beyond The Season Itself

Even outside the fertile weeks, an unspayed adolescent is riding hormone cycles that influence behaviour across the year. Some show a false pregnancy a couple of months after a season — nesting, guarding toys, even producing milk — which usually passes but warrants a vet call if she is unwell, off food, or the behaviour is intense. Keep a simple record of season start dates, length, and any false-pregnancy signs, because patterns across two or three cycles are exactly what informs a good spaying conversation. Discuss timing with your vet as an individual decision for her breed, size, and health — guidance differs, and a record beats a memory when you sit down to decide.

When To Call The Vet During A Season

Most seasons need management, not medicine, but some signs change that. A discharge that smells foul, turns green or yellow, or comes with fever, vomiting, or a bitch who stops drinking and goes quiet needs a same-day vet call, because uterine infection is a genuine emergency in unspayed females. Bleeding that continues well beyond the expected window, or a season arriving in a puppy who seems unwell in other ways, also earns a visit. Keep those dates, symptoms, and the vet's advice filed together in KinsLe's Pet Passport, so her season history, vaccination record, and health notes travel as one packet to any vet who sees her.

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