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Why is my baby’s poo green? All you need to know about baby poop

Baby nappy change

As a new mum, it won’t be long before you become obsessed with the contents of your baby’s nappy. The colour, texture and smell will change almost daily, making it hard to know what to expect and what to recognise as ‘normal’. Worried about the colour of your baby’s nappy? Not sure how often your little one should be needing a change? Here’s all you need to know about your baby’s poop.  

 

Why is my baby’s poo green?

As a new-born, your baby’s first few nappies will often be a greenish-black colour and tar-like in texture. Despite seeming alarming, this is very normal and is medically referred to as meconium. Unlike your baby’s later poos, this doesn’t contain any breast milk or formula, but the materials she ingested in the uterus, including amniotic fluid, mucus and skin cells. Despite it’s unusual colour, these poos won’t smell, but will cling to your baby’s skin, so it’s often a good idea to use a thin coat of Vaseline to make nappy changing less challenging.

 

Between days two-four, you’ll notice her poo getting less sticky and more of an army green colour. Again, this isn’t anything to worry about and just means she’s started to digest her breastmilk or formula.

 

If your baby’s poo becomes bright green and frothy at any point, this is usually a sign that things aren’t quite right. Normally, this means that she’s not getting enough calorie laden, high-fat hind milk. This could be because you’re not feeding for long enough on each breast, so try to start feeding on the breast you ended your last feed on. However, bright green poo can also mean your baby is sensitive to something you’ve taken, such as antibiotics, so it’s a good idea to check with your GP if you have any concerns.

 

If your baby’s poo is green with slimy, glistening streaks, this normally means there is mucus in the poo. This is quite common in babies that drool a lot, but can also be a tell-tale sign of infection, so if this fills your baby’s nappy for a couple of days, or appears with other symptoms, call your doctor.

 

What colour is a healthy baby poo?

If you have chosen to breastfeed your baby, a normal, healthy poo will be a yellow/green colour and be mushy or creamy in texture. Experts often refer to the shade as Dijon Mustard, and advise that it is perfectly normal to spot seed-like flecks – these are nothing to worry about.

 

If you’re feeding your baby formula, a normal, healthy poo will be a peanut butter brown colour and a little firmer than that of breastfed babies. If you’re swapping between the two, you might also notice formula-fed poos will be more pungent than breastfed poos.

 

Is blood in my baby’s poo always something to worry about?

Although it might not be serious, it’s always a good idea to call your doctor if you notice blood in your baby’s poo as it might be a sign of an allergy or infection. If there are specs of black blood, it often means the blood has been digested – if you’ve got sore, cracked nipples, this could be why.  

 

My baby has diarrhoea – is this always a bad thing?

Your baby’s normal, healthy poos will often be mushy and creamy, so it’s important to recognise the signs of diarrhoea. These nappies will be runnier and waterier than normal and will often explode out of the nappy completely. Often a sign of infection, if your baby is younger than three months, or you change more than two or three diarrhoea filled nappies, it’s a good idea to contact your doctor.  

 

Is my baby constipated?

After she reaches six weeks old, it’s normal for your baby not to pass a stool for seven to ten days. Breastfed babies rarely get constipated, and it’s normal for babies to strain or even cry when they’re doing a poo, but if your baby seems uncomfortable, it’s worth getting in touch with a health professional.

 

Your baby will often become constipated when she is first introduced to solid foods. She may appear uncomfortable and pass a hard, pebble like stool. This isn’t always something to worry about, but if you notice three or more nappies like this, contact your doctor.

 

I’m noticing a rainbow of odd colours in my baby’s poo – is this ok?

It’s not always green poo that can cause concern. Seeing unusual colours in your baby’s poo is often a sign of undigested food (for example lumps of red can sometimes be beetroot). The odd poo with lumps of food in is nothing to worry about, but if you notice this happening more frequently and are worried about your baby’s digestion, it’s worth booking an appointment with your GP.

 

How often should my baby poo?

This really depends, but on average you can expect to see four poos a day during your baby’s first week. This will often slow down to two a day by the time your baby turns one.

 

If you’re breastfeeding your baby, for the first few weeks, you may see a yellowish stool after every feed. Newborn formula fed babies can also poo up to five times a day at first, but after a few months, this can drop down to as little as once a day.

 

My new-born baby girl has white discharge in her nappy – is this ok?

A white discharge in your baby’s nappy a few days after birth is perfectly normal and is triggered when hormones cross from the placenta into your baby. These hormones can cause a discharge, or mini-period, but will soon disappear from her system.

 

What if my baby’s poo is a lot paler than normal?

If you notice your baby’s poo to be a lot paler than it normally would be, talk to your GP or health visitor immediately. Pale white, chalky or grey stools are often a sign of liver disease, so these are not nappies to ignore. 

 
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