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🩺 Health · From birth to 1 year

💩 The Baby Poop Field Guide

Inspecting nappies is about to become your new daily ritual. Colour, texture, and frequency will constantly shift during the first few months: knowing how to decode them saves you unnecessary panic and helps you spot the rare, genuine red flags.

What's normal

  • Meconium (Days 1 to 3): Tar-black or greenish, sticky as superglue, odourless. Proof that the plumbing is officially up and running.
  • Breastfed baby: Mustard-yellow, seedy, and loose—think wholegrain Dijon mustard. Sometimes just one dirty nappy every 3 to 7 days after the first few weeks: totally normal as long as it stays soft and baby is thriving.
  • Formula-fed baby: Tan-brown to olive-green, pastier (like peanut butter), with a noticeably stronger aroma.
  • Green poop: Often just fast digestion or iron-fortified formula. Nothing to sweat as long as baby is alert, happy, and gaining weight.

The red flags

  1. 1. White, grey, or pale poop

    Chalky, clay-coloured stools are an emergency—get medical help immediately. It can signal a serious issue with the liver or bile ducts.

  2. 2. Bright red blood

    Get prompt medical advice.

  3. 3. Diarrhoea

    Watery, explosive, and unusually frequent stools: babies dehydrate fast, so contact a doctor.

  4. 4. Constipation

    Hard, pebble-like stools and a baby crying while straining. Gently massage their tummy clockwise, cycle their little legs like they're on a bike, and check in with your doctor about tweaking fluids or formula.

  5. 5. Dad hack

    Baby turns beetroot-red and grunts like an Olympic powerlifter for 15 minutes, only to drop a completely soft, normal poop? That's not constipation: they're just figuring out how to push while relaxing their pelvic floor at the same time. It's called infant dyschezia, and they'll grow out of it on their own.

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This guide doesn't replace medical advice. When in doubt, call your doctor or your local emergency number.