After the first few weeks, nobody asks about diapers any more. The day five visit is behind you, the counts have settled, and tapping in a wet one starts to feel like busywork. It is not. A few weeks of diaper logs give you a baseline, and a baseline is what lets you see a change before you would otherwise notice it.
This is the case for keeping the most boring tracker going, and for what it can tell you once your baby is past the newborn stage.
A count becomes a baseline
In the first week the numbers are the point. If you want those, diaper counts in the first weeks covers them. By the second month the question changes. Most babies settle into a pattern of their own: roughly how many wet diapers in a day, how often a poo, what it usually looks like.
You do not need to know what is normal for every baby. You need to know what is normal for yours, and a few weeks of taps gives you exactly that. The useful question stops being "is this enough?" and becomes "is today different from usual?"
Fewer wet diapers: the early signal
Wet diapers are one of the plainest everyday signs that a baby is getting enough fluid. When a baby has a cold and feeds less, has a tummy bug, or it is simply a very hot day, the wet count is often one of the first things to drop, sometimes before anything else looks wrong.
Darker, stronger smelling pee points the same way, and so does a diaper that is still dry hours after the last change. The trouble is that at 4 a.m., with a baby who is off colour, nobody remembers whether the last wet one was three hours ago or six. The log does.
Poo: the direction of the change
Poo changes a lot over the first year, and most of it is normal. A breastfed baby can go several days between poos once the early weeks are over. Starting solids changes the colour, the smell and the texture, often within days. None of that needs a reaction.
What the log helps with is the direction of a change. Poos that get harder and less frequent, come out as small pellets, or arrive only after a lot of straining can mean constipation, which is common around the time solids start. Poos that are suddenly much more frequent and watery than usual suggest diarrhoea, and then the wet count matters even more, because that is how a baby loses fluid.
What to log, and what to skip
Keep it to one tap: pee, poo, both or clean. That is how Little Bean logs a diaper, and it is enough to give you counts and times. Add a note only for the exception: a rash, an unusual colour, mucus, anything you might want to describe to someone later.
You do not need to grade every texture or photograph every diaper. A record you will actually keep up for months beats a detailed one you abandon in a week.
Let the log notice for you
When a baby is unwell the days run together, and that is exactly when counting in your head fails. Little Bean has a smart diaper reminder that suggests a check when no wet or dirty diaper has been logged in your baby's typical window. It learns that window from the last week of your own log, not from a rule for all babies, and it only nudges in the daytime. You can switch it off in settings.
Both parents read the same log, and a change logged by either one resets the reminder, so the count does not depend on who did the last change or who was asleep at the time. The plans page lists what each plan includes.
When to call, and what to bring
Rarely one diaper on its own. It is the change, and the combinations, that are worth a call: noticeably fewer wet diapers than usual, especially with a baby who is drowsy, feeding much less or has a dry mouth; diarrhoea or vomiting that does not settle; blood in the diaper; poo that is white, grey or very pale; or black poo after the newborn days are over.
These are not a checklist to diagnose with. They are reasons to ring someone who can see your baby. When you do, the first questions are usually when the last wet diaper was and how today compares with a normal day. A glance at the log answers both, and the export in settings turns the same entries into a PDF if they want to see it written down.
Last week's note on what we chose not to build explains why a diaper is one tap with an undo rather than a form. This is the payoff: a tap that costs nothing on an ordinary day and tells you something on the day that is not.
If your baby has fewer wet diapers than usual, seems unusually sleepy or hard to wake, is feeding much less, or you see blood, very pale or white poo, contact your midwife, health visitor or doctor, or your out of hours service if it cannot wait. A log helps you notice a change early; a professional is the person to act on it. Nothing here is medical advice.
One short note, once a month.
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