Child Development at Nine Months
Posture & Large Movements
- Sits alone for 10–15 minutes on floor.
- Can turn body to look sideways while stretching out to grasp dangling toy or to pick up toy from floor.
- Arms and legs very active in cot, pram and bath.
- Progresses on floor by rolling or squirming.
- Attempts to crawl on all fours.
- Pulls self to stand with support.
- Can stand holding on to support for a few moments, but cannot lower himself.
- Held standing, steps purposefully on alternate feet.
Vision & Fine Movements
- Very observant.
- Stretches out, one hand leading, to grasp small objects immediately on catching sight of them.
- Manipulates objects with lively interest, passing from hand to hand, turning over, etc.
- Pokes at small sweet with index finger.
- Grasps sweets, string, etc., between finger and thumb in scissor fashion.
- Can release toy by pressing against firm surface, but cannot yet put down precisely.
- Searches in correct place for toys dropped within reach of hands.
- Looks after toys falling over edge of pram or table.
- Watches activities of adults, children and animals within 10–12 feet with eager interest for several seconds at a time.
- Watches rolling balls 21/8 inches at 10 feet.
Hearing & Speach
- Vocalises deliberately as means of interpersonal communication.
- Shouts to attract attention, listens, then shouts again.
- Babbles tunefully, repeating syllables in long strings (mam-man, bab-bab, dad-dad, etc.)
- Understands ‘No-No’ and ‘Bye-Bye’.
- Tries to imitate adults’ playful vocal sounds, eg. smacking lips, cough, brr, etc.
- Immediate localising response to baby hearing tests at 3 feet from ear and above and below ear level.
Social Behaviour & Play
- Holds, bites and chews biscuits.
- Puts hands round bottle or cup when feeding.
- Tries to grasp spoon when being fed.
- Throws body back and stiffens in annoyance or resistance.
- Clearly distinguishes strangers from familiars, and requires reassurance before accepting their advances.
- Clings to known adult and hides face.
- Still takes everything to mouth.
- Seizes bell in one hand, imitates ringing action, waving or banging it on table, pokes clapper or ‘drinks’ from bowl.
- Plays peek-a-boo.
- Holds out toy held in hand to adult, but cannot yet give.
- Finds partially hidden toy.
- May find toy hidden under cup.
- Mother supports at lower spine when dressing.
Source: Reports on Public Health and Medical Subjects No 102. HMSO 1960, revised 1975.