Answer:
Most babies will not sit steadily until 8 months so she is normal
Step-by-step 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.