Milestones

Responds to noise (either by crying, or quieting), follows an object moved in front of eyes

Social smiling

Head steady on sitting

Rolls from stomach to back, starts babbling

Transfers objects from hand to hand, looks for dropped object

Sits unsupported, begins to crawl

Cruising (walking by holding furniture)

Walks without assistance, speaks about 10-20 words

Runs, climbs up and down stairs alone, makes 2-3 word sentences

Dresses self except for buttons and laces, counts to 10, feeds themself well

Hops on one foot, copies a cross

Copies a triangle, skips

Reacts to loud noises, vocalises pleasure and displeasure (laughs, cries)

Responds to own name, responds appropriately to angry and friendly tones, babbles* (says ba-ba-ba)

Uses single words with meaning (referred to as the ‘holophrastic’ stage), understands simple instructions, tries to imitate simple words

Has a vocabulary of up to 40-50 words (mainly nouns and pronunciation often unclear), knows simple body parts, understands simple verbs (eat, sleep), starts to combine words (e.g. More play) referred to as the telegraphic stage*

Able to name a number of objects, vocabulary of 150-300 words, able to combine words into short sentences, begins to use prepositions, answers simple questions

Has a vocabulary of 900-1000 words, begins to use plurals and past tense, handles three word sentences easily, groups objects such (e.g. Food, animals), strangers will understand most of what is said

Puberty (males)

Puberty (females)

Precocious puberty in males

Precocious puberty in females

Onset of secondary breast development

What tanner stage does menarche happen in