Development patterns of infancy

1)Growth of 1 1/2 lbs per month from birth-6 months(weight doubles at 6 months and triples at 1 year old) 2)Weight gain is in form of fat to provide nourishment and insulation but transitions to bone and muscle weight gain after 8 months 3)Height increases by 1 inch/month for first 6 months. By 12 months height has increased by 50% of birth height 4)Vital signs: P-120 bpm, R-30, B/P 90/60 5)Teething begins at 6 months 6) At 2 months infant can hold head up in prone position, 4 months can hold head up steadily to 90* angle, 6 months can balance head well and 7 months ability to sit up steadily without support 7)Crawling at 7 months and Creeping at 9 months 8)Infant establishes trust vs. mistrust 9)Infant develops understanding of world through sensorimotor activities(First 4 months infant follows objects visually and auditorily, by 4 months binocular following and observation improved and recognition of familiar voices is noted, 4-8 months infant begins to recognize and imitate.