When do babies straighten their arms

At 7 to 12 months, a baby's vision is the same as an adult's vision. At 1 month of age, babies strongly prefer the sound of the human voice. Hearing is the same as an adult's hearing. They recognize the voice of their caregiver, even when they are in another room.

At 2 months of age, babies begin to coo and make sounds, such as ooh and ahh. At 4 months, babies often amuse themselves with babbling and are beginning to understand that tone of voice means different things. At 6 or 7 months, babies start copying the sounds they hear spoken.

Babies may not be able to say the words they are hearing yet, but they can understand many of the words you say. At 12 months, babies are working hard to master language, and soon they may say their first word.

Babies of all ages have a well-developed sense of touch. They often prefer soft, gentle touches and cuddles. Smell and taste. Babies of all ages have a well-developed sense of smell and taste. They prefer sweet smells and know the smell of their mother's breast milk. At 9 to 12 months of age, most babies like to experience and explore objects through taste and texture, which prompts them to put almost anything they can into their mouths.

Age four months through seven months. In SP Shelov et al. New York: Bantam. American Academy of Pediatrics Age one month through three months. Credits Current as of: February 10, Current as of: February 10, Home About MyHealth.

But, if your baby's development is going backwards or consistently stopped, talk with your pediatrician. Is not using a part or side of the body.

Babies this age normally do not show whether they are left or right handed. If your baby only uses one hand or one side of his body, talk with your pediatrician. Seems too floppy. Young infants may seem "floppy" until they develop more muscle control. But if your baby seems especially limp or droopy, it could mean she is sick or has an infection.

Jitters or shakes too much. Many newborns have shaky hands or quivery chins, but if their whole bodies are shaking, it could signal a medical problem. Call your pediatrician. She specializes in the neurological care of newborns and infants, and of children with epilepsy. You may be trying to access this site from a secured browser on the server. Please enable scripts and reload this page. Turn on more accessible mode. Turn off more accessible mode.

Skip Ribbon Commands. Skip to main content. Turn off Animations. Turn on Animations. Our Sponsors Log in Register. Log in Register. Ages and Stages. Healthy Living. Safety and Prevention. Family Life. Health Issues. Tips and Tools. Our Mission. Find a Pediatrician. Text Size. Movement Milestones: Birth to 3 Months. Page Content. By: Courtney J. Here's an overview of some typical motor milestones to expect from birth to 3 months: Month one Your baby will not be able to control many of her movements during the first few weeks.

Month Two Your baby's nervous system has matured some by now. Here's what else you can expect: Heads up on tummy time. Month Three Your baby's arm and leg movements continue to become smoother. Still, the time it takes to develop these skills can vary widely among kids. Not reaching individual milestones doesn't necessarily mean there is a problem. Talk to your doctor if you have questions or concerns about your baby's development. Movement, Coordination, and Your 1- to 3-Month-Old.

Reviewed by: Mary L. Gavin, MD. Larger text size Large text size Regular text size. What Can My Baby Do? When Should I Call the Doctor?