Week by Week

Mom's Complete Guide to Poop


Poop can say many things about your baby’s health. That’s why this complete guide is necessary for you to check what is normal and what is not when your newborn grows.

Poop frequency

Don’t panic if your baby poops only once or twice a week instead of after every meal because these two pooping behaviors are quite normal among babies. You should focus more on how their poop is. If it’s coming out reasonably soft, there is no need to worry about. However, if it’s hard and dry, your baby may be constipated. Breastfed newborns often poop after every feeding but after three to six weeks or so, they can slow down and start having less frequent bowel movements.

Newborn poop

Meconium is the first poop your newborn expels within 24 hours. It is greenish-black, tarry, and sticky like motor oil. Besides, it does not really smell. After the first 2 to 4 days, your baby’s poop becomes lighter army green and less sticky. This sign informs that your little one begins digesting early breast milk.

Healthy breastfed poop

Healthy breastfed poop should be yellow or slightly green. It may also have a mushy or creamy consistency, sometimes runny like diarrhea. If one day you eat something different from what you normally do, their poop can be a greener hue. So don’t worry. However, if this condition goes along with other symptoms, you should call doctors for help.

Low-calorie breastfed poop

Bright green and frothy poop can be a signal of low-calorie milk consumption. Your baby may get too much foremilk with a low level of calories and not enough hindmilk with a higher rate of fat. You can fix it by starting your feeding on the breast you ended previous time.

Healthy formula-fed poop

Formula-fed babies have pasty, peanut butter-like poop on the brown color spectrum: tan-brown, yellow-brown, or green-brown.

Iron-fortified poop

Iron supplements can turn their poop into dark green or almost black. However, if you do not give them any of iron supplement, you should give the doctor a ring.

Solid-food poop

Solid food input can come be infant cereal or pureed bananas. You may probably notice some changes in your child’s output. Particularly, it might be brown or dark brown in color, thicker but still mushy in texture and also a bit smellier.

Poop with partially digested food

Don’t worry if you see some identifiable chunks of food with a surprising hue of the rainbow in your child’s poop. This can be explained by the fact that some certain foods are only digested partially or travel so quickly through the intestines that they don’t have time to completely break down.


In babies, diarrhea poop is very runny. Besides, it can be yellow, green, or brown. This might be a sign of an infection or allergy. Without any treatments, it can cause dehydration for your baby. You should call the doctor if your baby has diarrhea for more than one to two days or their output contains visible blood or mucus.


Constipation happens among babies with hard and pebble-like poop. Children may suffer this condition if they are introduced to solid foods or experience milk sensitivity. You should call a doctor when noticing more than two pebbly diapers or you see blood in their output.

Poop with mucus

Greenish poop marked with shiny, glistening strings is a sign of mucus. This condition is quite normal when your child is drooling. However, if it comes together with other symptoms, your kid may get exposed to an infection or allergy.

Bloody poop

Bright red blood in poop can be associated with some problems such as milk protein allergy, tears in the anus or tiny hemorrhoids, and a bacterial infection. Blackish bloody poop can happen when your baby is breastfed and accidentally swallow blood from your bleeding nipples.

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Hello Health Group does not provide medical advice, diagnosis or treatment.

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