You may be alarmed the first time you see your little one jerk her arms or legs or appear to get a fright – but take comfort in knowing that this is normal. These kicking, jerking and twitching movements in newborn babies are called primitive reflexes.

If your little one has these reflex movements often, it’s an indication that her body is reacting to external stimuli and she’s doing just fine. Some of these primitive reflexes will disappear in a few months, as her body becomes more developed and she no longer needs them. But for now, learn more about what each reflex means and why your baby has them.

Rooting reflex

What it looks like: When you stroke the side of your baby’s cheek with your finger or breast, she’ll turn her head to that side, open her mouth and immediately begin to make sucking movements.

Why it happens: This is an essential reflex for babies, as it’s linked to how they feed.

How long it will last: This reflex disappears at about four months.

Startle reflex

What it looks like: This is usually the reflex that parents notice first – as it looks as if your little one has had a big fright. It usually occurs in response to a loud noise, sudden movement or the sensation of falling when you put your baby down in her bassinette without enough support. The reflex consists of her tightening her body, flinging her arms up and out, opening her usually clenched fists, drawing up her knees and then bringing her arms and re-clenched fists close to her body as if she’s giving herself a hug. She may also cry a little. Paediatricians often test this reflex when they examine newborns.

Why it happens: Although it might appear that your baby’s in distress, this is a normal newborn reflex and parents don’t have to be concerned, says Dr Buitendag. “It’s a remnant of human evolution when it assisted a baby clinging to her mother all day.  If she lost her balance, the reflex caused her to embrace her mother and regain her hold on her mother’s body,” he adds.

How long it will last: This reflex disappears by about two to three months.

Walking reflex

What it looks like: If you hold your little one upright and plant her feet on the ground, she’ll immediately place one foot in front of the other as though she knows how to walk.

Why it happens: This primitive reflex originated in the central nervous system. It’s a natural instinct for human beings to show signs of wanting to walk, even before they’re physically able to.

How long it will last: This reflex will disappear at about two months.

Grasp reflex

What it looks like: When you stroke the palm of your baby’s hand, she’ll grab your finger and hold it tightly.

Why it happens: The grasp reflex teaches infants how to use their hands and hold things, which is a precursor to feeding themselves.

How long it will last: This reflex disappears gradually, beginning in about the third month.

Tongue thrust reflex

What it looks like: This reflex is demonstrated when you touch the tip of your baby’s tongue with a spoon and she pushes it back out.

Why it happens: This reflex aids in breastfeeding, but it also indicates that your little one’s not ready to eat solids. This is a normal, protective reflex, which also helps to prevent choking.

How long it will last: It disappears between four and six months – just when your little one is ready to start solids.

Withdrawal reflex

What it looks like: If an object comes towards your baby, she will immediately turn her head and try to get away if she senses it’s dangerous.

Why it happens: This reflex is a good thing, as it’s there to protect your baby.

How long it will last: The good news is that this reflex will always be present.

 

 

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