At 4 months, a baby typically can hold his/her head steady without support, and at 6 months, he/she begins to sit with a little help. At 9 months he/she sits well without support, and gets in and out of a sitting position but may require help. At 12 months, he/she gets into the sitting position without help.

Is it bad to sit a baby up at 3 months?

Babies start putting their head up when they are 3 or 4 months old but the right age of sitting up would be around 7 to 8 months, which may vary as per your baby. Please don't force your baby to sit until he or she does it by themselves. Babies are born with many intelligent powers.

What does a baby do at 3 months?

Three-month-old babies also should have enough upper-body strength to support their head and chest with their arms while lying on their stomach and enough lower body strength to stretch out their legs and kick. As you watch your baby, you should see some early signs of hand-eye coordination.