Child led potty training: when to start and how to spot the signs of readiness

What is child led potty training

The approach was described by the American paediatrician T. Berry Brazelton in the journal Pediatrics in 1962. It is also called child-oriented potty training. The advice of the American Academy of Pediatrics (AAP) and of Canadian paediatricians still rests on his work. The core is short:

• you start once your child shows signs of readiness,
• you offer the potty but never force it,
• your child sets the pace and can take a break,
• success earns warm words, an accident never earns punishment,
• accidents are part of learning, a step forward and a step back.

It is more an attitude than a day-by-day plan. That is also why it is the quietest of all methods: it promises no deadline.

Signs of potty training readiness: when to start

The AAP and the reviews for family doctors (AAFP) list similar signs. Your child is ready when they:

• stay dry for at least an hour or two,
• notice and say that they are peeing or pooing,
• are curious about the toilet and what others do there,
• can pull their trousers down alone,
• can follow a short, simple request.

These usually come together between 18 and 30 months, and every child is different. The Dutch JGZ guideline expects a start between 2 and 4 years. The potty readiness quiz helps you see whether your child's body is ready.

What child led potty training looks like at home

1. You watch. You notice when the nappy stays dry, when your child hides to poo and whether they ask about the toilet.
2. The potty is in sight. It stands somewhere visible at home. Your child can sit on it just for fun, even fully dressed.
3. You offer. At moments when trying makes sense. When your child says no, that is fine.
4. You praise with words. Simply and kindly. You meet an accident calmly, change clothes and carry on.
5. When your child refuses, you pause. You try again in a few weeks. A pause does not mean waiting for ever.

The “wait or not” debate: what the critics get right

Critics of child led potty training make two points. Both hold some truth.

The conflict of interest is documented. Brazelton worked with a maker of disposable nappies and appeared in its advert for nappies for bigger children. The historical shift is documented too: children used to start on the potty much earlier, and the later age arrived together with disposable nappies. In Vietnam, where training starts from birth, children empty their bladder fully at around 9 months (Duong et al. 2013).

But signs of readiness are not an advertising invention. Both the AAP and the Dutch JGZ guideline rely on them. Blum et al. (2003) followed 378 children: an intensive start before 27 months did not bring an earlier finish. A small study by Hodges et al. (2014) links both a start before 24 months and after 36 months with toileting problems. And a “trained” one-year-old in the past often meant a parent catching the right moment, not a child going alone.

I am not a paediatrician, so here I stick to the guidelines. From both camps I keep what matters: wait for the signs, yes. Wait passively and for ever, no.

What the research says, and when waiting does harm

A review for the US government agency AHRQ (Klassen et al. 2006) rates toilet training research as weak. It found that both the child-led approach and the fast Azrin and Foxx method work for most typically developing children. In the only direct comparison, the fast method had fewer accidents. The AAP advice carries the weakest grade of evidence (C), resting mainly on expert agreement.

On average, children are dry by day at around 32 to 35 months (AAFP 2019). The most common problem is holding in poop, which affects about one child in five. It is more common when training starts after 3.5 years. So if your child shows no signs around their third birthday, it is worth offering the potty actively and, if needed, talking to your doctor.

Night is a different chapter. A dry night cannot be trained, it comes by itself. When your child is older, you can gently encourage them.