12-Week-Old Puppy Guide: Training, Teething and Social Skills

By Tailwisp Editorial TeamUpdated October 17, 20263 min read

Twelve weeks, or three months, is a milestone. Your puppy is bolder, bigger and learning faster than ever. It is also approaching the end of the critical socialization window, so the experiences you provide now matter. This is a great time to build solid foundations.

Development

Your puppy is more coordinated, with more stamina. It plays harder, explores more and may start to show more independence. Growth spurts are common. Teething begins soon, so expect more chewing and mouthing. Your puppy still needs lots of sleep.

Training

At twelve weeks, puppies can start to work on more than the basics.

• Sit, down and stand: Practice in different places.
• Come: Keep recall playful and rewarding. See our recall training guide.
• Loose leash walking: Begin short sessions with a lightweight leash.
• Wait and leave it: Start teaching impulse control.
• Crate and alone time: Keep building duration gradually.
• Handling: Continue practicing grooming and vet-style handling.

Keep sessions short, five minutes or less, and use rewards generously. Ending on a success keeps your puppy keen. See our guide on puppy training basics.

Puppy classes

A good puppy class provides structured socialization, early training and advice. Look for classes that use positive methods, limit group size and require vaccinations. Our guide to choosing a puppy class explains what to look for.

Socialization

The window is closing, so keep introducing new experiences calmly. Aim for a variety of:

• People of different ages, appearances and clothing
• Surfaces such as grass, tile and gravel
• Sounds such as traffic, appliances and doorbells
• Friendly, healthy, vaccinated dogs
• Gentle handling and car rides

Use treats and let your puppy set the pace. See our socialization checklist.

Teething

Baby teeth begin to fall out at around three to four months. You may find tiny teeth on the floor, or notice drooling and chewing. Provide safe chew toys, frozen items and gentle gum relief. See our guide on the puppy teething timeline and how to soothe a teething puppy.

Feeding and weight

Most puppies eat three meals a day by now. Ask your vet whether it is time to adjust. Keep your puppy lean, since extra weight stresses growing joints. See our guide to the puppy feeding chart by breed size.

Health

Your puppy may be due for vaccinations, and your vet will advise when it is safe to explore public places. Keep up with worming and flea and tick prevention. See our puppy vaccination schedule.

Common challenges

• Biting: Continue redirecting to toys. See stopping puppy biting.
• Zoomies: Normal bursts of energy, usually in the evening. See puppy zoomies explained.
• Accidents: Keep the schedule consistent, and avoid giving too much freedom too soon.
• Barking and whining: Make sure needs are met and avoid rewarding demands.

Setting up good habits before adolescence

The next few months decide which habits will stick. Pick three or four house rules now and make everyone follow them: for example, no jumping on guests, no taking food from the table and no chewing furniture. Puppies are quick to spot loopholes, and one family member who allows jumping undoes everyone else's effort. Write the rules on the fridge if you need to.

Use management as well as training. A puppy who cannot reach the shoes cannot learn that shoes are fun to chew. Baby gates, a pen and a tidy floor make good behavior easy. Reward good choices early and often: lying quietly on a mat, chewing the right toy and greeting with four paws on the floor. A puppy rewarded for calm at twelve weeks is far more likely to be calm at twelve months.

The takeaway

At twelve weeks, your puppy is ready to learn and explore. Combine training, socialization and rest, and you will build a foundation that lasts. Next, see our 16-week-old puppy guide.