The parent of a 3-month-old infant is concerned because the infant does not yet sit by oneself. Which statement best reflects average sitting ability?

Most babies will not sit steadily until 8 months so she is normal

Explanation:

Developmental milestones are physical, social, emotional and cognitive skills seen in infants and children as they grow. They include; Rolling, crawling, walking and also talking. Milestones differ with age range.

At three months, an infant cannot sit by oneself because their lower back is still weak. At 8 months old is when a baby can sit by oneself.

However, at three months, infants can turn their head towards the direction of sound.