Pregnancy week by week



4 month old

No longer a newborn, your 4 month old is growing stronger, more awake, more alert and his personality is bubbling over. This month of life will probably be a little easier in many ways, with your baby settling into more regular feeding patterns, and (hopefully!) sleeping for longer stretches at night. Your baby has been smiling at you for a while now and soon he will add laughing or maybe even squealing with delight to the list of things he can do. Your baby is also gaining more control over his body which means he will be more of a handful when it comes to changing nappies and getting dressed. Here is what else you can typically expect in your baby's fourth month:

Social and Emotional development
  • Smiles spontaneously
  • Copies some movements and facial expressions, like smiling or frowning
  • Enjoys being rocked, bounced or swung
  • Laughs out loud
  • Excited at sight of food or toys
  • Responds to rattle or bell

 Language and Communication skills
  • Babbles with expression.
  • Imitates the sound he hears
  • Cries in different ways to show hunger, pain, or discomfort
  • Recognises a bottle or breast
Cognitive skills
  • Responds to all colours and shades
  • Perceives depth and distance
  • Eye-hand coordination  developing (uses hands and eyes together, such as seeing a toy and reaching for it)
  • Have well established close vision
  • Increase eye contact with parents and others
  • Hands come together as he plays. Hand regard still present.
 Physical development
  • Holds head steady, unsupported while in a sitting position

  • No head lag on pulling to sitting position

  • Can hold a toy and shake it and swing at dangling toys

  • When lying on stomach, pushes up to elbows

  • Grasps objects with both hands

  • Explores objects with his mouth

  • Try to reach objects with hands (may overshoot)

  • Rolls over (usually stomach to back first)

  • Raises head and chest off surface to a 90 degrees when placed on tummy

  • Can follow a moving object for a 180 degree arc

  • Asymmetric tonic neck reflex gone ( baby can inspect hands in midline)

      Developmental watch
  • Doesn’t smile at people
  • Can’t hold head steady
  • Doesn’t watch things as they move
  • Doesn’t bring things to mouth
Recommended activities

You can encourage your baby's development through play
  • Place the baby in front of a mirror
  • Provide bright coloured toys to hold
  • Repeat sounds the infant makes
  • Help the infant roll over
  • Play on the stomach (tummy time)
Babies grow and develop at different rates. The information above is offered as a guide. There is no need to expect your baby's development to fit with all the above descriptions. If you’re at all worried about your baby's development, it is best to speak with your doctor.



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