This document outlines the developmental milestones of toddlers aged 1 to 3 years, focusing on biological, psychological, and cognitive development. It highlights key growth metrics, including weight and height, as well as social behaviors like autonomy, discipline, and emotional needs. The text also addresses health supervision, nutrition, and the importance of play in fostering various developmental skills.
THE TERRIBLE 2’s! Intense exploration of the environment Expression of control of the environment Struggles of toilet-training, limit setting, discipline and sibling rivalry Less dramatic maturation of body systems Mastering a wide variety of activities
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BIOLOGIC DEVELOPMENT Weight - 2½ yrs – Birth wt quadrupled - Av wt gain – 2.2 Kg/ Yr (1.8 – 2.7Kg/Yr) Height - Increases by 6.25 – 7.5 cms/ Yr Body proportions - Chest Circ = OFC by 1yr - After 1 yr, Chest Circ > OFC - Transverse chest diameter > AP - Pot bellied - Chubby appearance lost - Infantile curves straightened Dentition - 2 yrs – 16 teeth 2½ yrs – 20 teeth
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BIOLOGIC DEVELOPMENT Skull– OFC > by 1 cm/ 6 months ( 1- 3 yrs) Ant Fontanel closure by 18 months CNS – No of brain cells complete by toddler age Brain – 2/3 of adult by 2 yrs, ¾ by 3 yrs Myelination – Improved posture & co-ordination Bowel control by 2-3 yrs Bladder control by 2½ - 3½ yrs Gross motor devt – Walks, runs, climbs. Opens doors Fine motor devt – Builds tower of 9-10 blocks, strings large beads, works simple puzzles, manipulates zippers, opens bathrooms, puts on clothes, washes hands
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BIOLOGIC DEVELOPMENT Integumentarysystem- Tougher & more resistant epithelium CVS & Resp System - <HR, <Resp, > BP Hemopoietic system- RBC - < 4.5 million, Hb – 13 gm% Digestive system - >ing stomach capacity Immunologic system- Pronounced lymphatic enlargement. Increased incidence of infections Adenoids – Max growth by 3 yrs. Tonsils - Max growth by 7 yrs Renal - >ed ability to conserve water, ready for toilet training
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PSYCHOLOGICAL DEVELOPMENT Psycho-social– Autonomy Vs Shame & doubt - Object permanence - Discrimination bet inner & outer worlds - Idea of self as a separate being Behavioural characteristics – Negativism, temper tantrums, ritualistic behaviour, ambivalence, sibling rivalry
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PSYCHOLOGICAL DEVELOPMENT Psychosexual– anal stage - Gender identity, sexual exploration, body image Cognitive devt – - 0-2 yrs – Sensorimotor 2-7 yrs – Egocentric, object permanence achieved, curiosity, imitation, imagination Short memory & attention span
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PSYCHOLOGICAL DEVELOPMENT Language – Increasing vocab (50 words), grammar, telegraphic speech, monologue Play – Parallel, destructive, exploratory, distractible, no conscience, quiet, dramatic - Helps develop cognitive abilities (size, shape, color, speed, texture..), concepts (heavy, light ) - Helps ventilate emotions, develop manual dexterity, motor skills Moral devt – Deeds to avoid punishment, please the parents. Spiritual –Intuitive-projective faith
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NEEDS & CONCERNS… Love & security – Separation anxiety & regression Discipline leading to self control – constructive discipline, consistency, clarity, firmness, immediacy, encourage independence, punishment Dependence progressing to self care Control of bodily functions Developing self esteem Dental care
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…NEEDS & CONCERNSNutrition - 100 Cal/ day, water – 100- 125 ml/Kg/day - 2-3 cups of milk / day - Meal schedule, food preferences, rituals - Prevent obesity ( wt for ht > 95 Percentile) - Pica (danger of Pb poisoning) Health Supervision – Immunization, dental health Preparation for Play School Engage in house work