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Baby development: Your six month old

Another milestone: your baby is half way to their first birthday.

In six short months, your baby has started to learn how to communicate, to eat foods, to sit up without help and get around independently.

This portion of our month-by-month guide provides a few of the baby milestones you can expect your child to achieve by the sixth month.

Sixth month baby milestones: Growth

During the first few months of life, your baby was growing at a rate of about 680g to 900g (one-and-a-half to two pounds) a month. By now, they should have at least doubled their birth weight. At six months, your baby’s growth will slow to about 450g (one pound) a month. Your baby’s height gain will also slow, to about 1.25cm (half an inch) each month.

Sixth month baby milestones: Motor skills

Your baby should be starting to sit alone by six months. To get ready, babies first prop themselves up with their hands, but over time they can start to let go and sit unsupported.

Your six month old can probably roll from their back to their stomach and vice versa. Some babies can propel themselves around the floor using this rolling method. Or, they may creep forward or backward -- sliding around on their tummies while pushing against the floor. You may notice your baby rise up on hands and knees and rock back and forth, but even if they do, your baby might not be ready to crawl for another month or two.

Sixth month baby milestones: Sleep

Most babies are sleeping six to eight hours by the age of six months. When babies at this age have trouble falling or staying asleep, some parents turn to a variety of methods to help a child sleep.

One method may work well for some families, but not for others, so you may need to experiment with several different sleep methods before you find the one that works best for you.

Now that your baby can roll over independently, do not be alarmed if you put your baby to sleep on their back and they wake up on their tummy. The risk of SIDS is much lower at six months than it was in the first few months of life. Still, it is a good idea to keep stuffed animals, pillows, and other soft items out of your baby’s bed for now.

Sixth month baby milestones: The senses

You may notice that your baby’s eyes have changed from their birth colour. Lighter-coloured eyes may go through several shifts before settling on their final shade often at about six months. If your baby still has blue eyes now, the chances are they will stay that way permanently.

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