Is My 7-Month-Old Baby's Sitting Development Normal? - Pediatrics

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Baby growth issues


Hello Doctor: My daughter is currently 7 months and 22 days old.
When I hold her on my lap, she can sit up fairly steadily (but still needs support or to lean against me).
However, she is not yet able to sit up on her own.
Is this considered normal development for a 7-month-old? Is this considered slow? (My nephew was already crawling smoothly at this age.) What would be the best way to train her to sit up independently? Thank you!

mai, 30~39 year old female. Ask Date: 2018/07/27

Dr. Lin Yishou reply Pediatrics


Hello parents, this level of development is normal.
If you have concerns, you can ask the physician to reassess during the vaccination appointment.

Reply Date: 2018/07/27

More Info


When it comes to the developmental milestones of infants, particularly at the age of seven months, it's important to remember that each child develops at their own pace. Your concern about your daughter's sitting ability is valid, and it's great that you're seeking information to understand her development better.

At seven months, many babies are able to sit with support, and some may even be able to sit independently for short periods. The typical range for achieving independent sitting is around six to eight months, but some babies may take a little longer. It is not uncommon for a baby to require support while sitting, especially if they are still developing their core strength and balance. The fact that your daughter can sit with some support indicates that she is progressing in her motor skills.

In terms of comparison with other children, such as your nephew who is already crawling, it's essential to recognize that developmental milestones can vary significantly among infants. While some babies may reach certain milestones earlier than others, this does not necessarily indicate a problem. Factors such as genetics, environment, and individual temperament can all influence a child's development.
If you are looking to encourage your daughter to sit independently, there are several strategies you can employ:
1. Tummy Time: Ensure that your baby has plenty of tummy time while she is awake. This helps strengthen the muscles in her neck, back, and shoulders, which are crucial for sitting.

2. Supported Sitting: You can help her practice sitting by placing her in a seated position with pillows or cushions around her for support. This way, she can explore her surroundings while feeling secure.

3. Playtime: Engage her in play while she is in a sitting position. Use toys that encourage her to reach and lean, which can help improve her balance and core strength.

4. Gradual Release of Support: As she becomes more comfortable sitting with support, gradually reduce the amount of support you provide. For example, you can start by holding her at the waist and then slowly let go as she gains confidence.

5. Encouragement: Celebrate her efforts and progress, no matter how small. Positive reinforcement can motivate her to try sitting on her own.

6. Consulting a Pediatrician: If you have ongoing concerns about her development, it may be beneficial to consult with a pediatrician or a child development specialist. They can provide a more thorough assessment and guidance tailored to your child's needs.

In summary, your daughter's current ability to sit with support at seven months is within the normal range of development. While it is natural to compare her progress with that of other children, it is crucial to focus on her individual growth and milestones. With encouragement and practice, she will likely develop the strength and balance needed to sit independently. If you have any further concerns, don't hesitate to reach out to a healthcare professional for personalized advice.

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