Social-emotional 
A baby at this stage usually:

Knows familiar people, starts to withdraw from strangers

Begins to turn around when her name is called

Starts to become anxious if her main caregiver is out of sight

Stretches up her arms to be picked up

Initiates gestures such as cough, poking out tongue

There may be a problem if a baby:

Does not show pleasure when she sees familiar people

Is not making eye contact

Cannot be reassured by mother or close carer

Motor skills 
A baby at this stage usually:

Sits without support by 8 -9 months

Starts to move around by 8 months (rolling, creeping)

Takes objects to mouth by 6 months

There may be a problem if a baby:

Is not sitting by 9 months

Holds her body stiff and cannot be put in a sitting position

Is not interested in, and reaching for, objects by 8 months

Daily activity 
A baby at this stage usually:

Can hold a bottle to drink

Can start to drink from a cup, which is held by an adult, by 6-8 months

Holds a spoon – but cannot use it, by 7 months

Begins to try some ‘solid’ foods

Understanding 
A baby at this stage usually:

Looks for a fallen object by 7 months

Plays ‘peek-a-boo’ games

Cannot understand ‘no’ or ‘danger’

There may be a problem if a baby:

Does not recognise mother

Does not show interest in surroundings

Speech and language 
A baby at this stage usually:

Babbles by 6-7 months making one and two syllable sounds, e.g. ‘dada’

Listens to a person speaking, then ‘answers’ in babbling sounds

There may be a problem if a baby:

Does not babble, imitate or make other sounds when someone talks to him.

If you are concerned about your baby's development contact your Doctor or  Paediatrician.