HomeAnswersChild Healthbaby milestonesMy 9-month-old son cannot sit. Is it normal?

Is it normal for a 9-month-old child to not sit on his own?

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The following is an actual conversation between an iCliniq user and a doctor that has been reviewed and published as a Premium Q&A.

Medically reviewed by

iCliniq medical review team

Published At August 15, 2022
Reviewed AtJune 1, 2023

Patient's Query

Hi doctor,

My 9-month-old son does not sit. If I put him on his tummy, then he rolls but never tries to sit. He lies on his front. Also, he does not crawl. Rest all is fine. He is teething, his neck is good, he smiles, and everything.

Is he fine?

Should we go to a neurologist?

Hello,

Welcome to icliniq.com

I read your query and understand your concern. It seems to be a gross motor development delay. A complete central nervous system (CNS) examination and development assessment will be required. It would be best if you visited a developmental pediatrician for clinical evaluation. Please provide me details about-

1. Birth history of your son.

2. CNS examination reports.

If there is no abnormality during assessment and investigation. Then, standard physiotherapy would help to gain normal development.

Thank you.

Patient's Query

Hi doctor,

That is what our pediatric told us to meet a neurologist for physiotherapy. What does that mean? Thank you.

Hello,

Welcome back to icliniq.com.

Neurologists do not provide physiotherapy. It would be best if you visit a pediatric neurologist for further clinical assessments of the child and a physiotherapist for occupational and physiotherapy. Physiotherapy is a range of exercises that when regularly done for the child, improves muscle weakness and helps in early recovery.

Thank you.

Patient's Query

Hello doctor,

He can sit for a long time if I make him sit. He does not sit on his own from a lying position. If he lies down on his stomach, he turns immediately, and if he lies down on the back and sees a mobile or something, he will turn also, but his arm gets stuck. Is it normal at the age of nine months? He still does not walk or crawl If I put him in a walker, he walks with both legs. Thank you.

Hello,

Welcome back to icliniq.com

A child can sit without support at eight months. Stands with support at ten months. Walks with support at 11 months. Stands without support at 12 months. Walks without support at 13 months. A delay of one or two months may generally be seen. But you may get the child physically examined by a pediatrician. And physiotherapy must be started as an early intervention.Thank you.

Patient's Query

Hi doctor,

Sitting without support at eight months means he can sit up if he is lying down. Or if we make him sit and he sits without support.

Please explain.

Hi,

Welcome back to icliniq.com.

Sit without support means that when a child is made to sit, he can sit without help from a hand or backrest.Thank you.

Patient's Query

Hi doctor,

Yes, if I make him sit. He can sit without any support. Even while sitting, he can grab objects by leaning forward and again sitting. But he is lying down on his back, he cannot sit by himself. Is it normal?

Hi,

Welcome back to icliniq.com.

Yes, this is typically expected at this age.Generally, a baby tries to stand or sit himself by ten months of age. There may be minor delays in the gross development which will improve with time and effort. Sometimes more weight of the child than expected can also lead to this.Thank you.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Amit Kumar Modi
Dr. Amit Kumar Modi

Pediatrics

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