兒童發(fā)育時間表
兒童發(fā)育時間表
男孩和女孩的發(fā)育情況不同，家長可參考以下表格數(shù)據(jù)，看看孩子的身高體重是否正常，兒童發(fā)育時間表有哪些呢?本文是學習啦小編整理兒童發(fā)育時間表的資料，僅供參考。
兒童發(fā)育時間表(全版)
兒童發(fā)育階段及特點表
注意力、觀察力、想象力、記憶力、思維力、創(chuàng)造力、語言表達能力
感知能力、動作技能、語言能力、社交能力
視覺訓練、聽覺訓練、觸覺訓練、動作訓練、語言訓練、社交訓練
粗大動作：頭部的控制、坐、翻身、爬、站、走、蹲、跑、跳 精細動作：手指的抓握能力
中國兒童生長發(fā)育參照標準表
7歲以下男童身高標準值(cm)
表中3歲前為身長，3歲及3歲后為身高
| 月齡 | -3SD | -2SD | -1SD | 中位數(shù) | +1SD | +2SD | +3SD |
| 0 | 45.2 | 46.9 | 48.6 | 50.4 | 52.2 | 54.0 | 55.8 |
| 1 | 48.7 | 50.7 | 52.7 | 54.8 | 56.9 | 59.0 | 61.2 |
| 2 | 52.2 | 54.3 | 56.5 | 58.7 | 61.0 | 63.3 | 65.7 |
| 3 | 55.3 | 57.5 | 59.7 | 62.0 | 64.3 | 66.6 | 69.0 |
| 4 | 57.9 | 60.1 | 62.3 | 64.6 | 66.9 | 69.3 | 71.7 |
| 5 | 59.9 | 62.1 | 64.4 | 66.7 | 69.1 | 71.5 | 73.9 |
| 6 | 61.4 | 63.7 | 66.0 | 68.4 | 70.8 | 73.3 | 75.8 |
| 7 | 62.7 | 65.0 | 67.4 | 69.8 | 72.3 | 74.8 | 77.4 |
| 8 | 63.9 | 66.3 | 68.7 | 71.2 | 73.7 | 76.3 | 78.9 |
| 9 | 65.2 | 67.6 | 70.1 | 72.6 | 75.2 | 77.8 | 80.5 |
| 10 | 66.4 | 68.9 | 71.4 | 74.0 | 76.6 | 79.3 | 82.1 |
| 11 | 67.5 | 70.1 | 72.7 | 75.3 | 78.0 | 80.8 | 83.6 |
| 12 | 68.6 | 71.2 | 73.8 | 76.5 | 79.3 | 82.1 | 85.0 |
| 15 | 71.2 | 74.0 | 76.9 | 79.8 | 82.8 | 85.8 | 88.9 |
| 18 | 73.6 | 76.6 | 79.6 | 82.7 | 85.8 | 89.1 | 92.4 |
| 21 | 76.0 | 79.1 | 82.3 | 85.6 | 89.0 | 92.4 | 95.9 |
| 24 | 78.3 | 81.6 | 85.1 | 88.5 | 92.1 | 95.8 | 99.5 |
| 27 | 80.5 | 83.9 | 87.5 | 91.1 | 94.8 | 98.6 | 102.5 |
| 30 | 82.4 | 85.9 | 89.6 | 93.3 | 97.1 | 101.0 | 105.0 |
| 33 | 84.4 | 88.0 | 91.6 | 95.4 | 99.3 | 103.2 | 107.2 |
| 36 | 86.3 | 90.0 | 93.7 | 97.5 | 101.4 | 105.3 | 109.4 |
| 39 | 87.5 | 91.2 | 94.9 | 98.8 | 102.7 | 106.7 | 110.7 |
| 42 | 89.3 | 93.0 | 96.7 | 100.6 | 104.5 | 108.6 | 112.7 |
| 45 | 90.9 | 94.6 | 98.5 | 102.4 | 106.4 | 110.4 | 114.6 |
| 48 | 92.5 | 96.3 | 100.2 | 104.1 | 108.2 | 112.3 | 116.5 |
| 51 | 94.0 | 97.9 | 101.9 | 105.9 | 110.0 | 114.2 | 118.5 |
| 54 | 95.6 | 99.5 | 103.6 | 107.7 | 111.9 | 116.2 | 120.6 |
| 57 | 97.1 | 101.1 | 105.3 | 109.5 | 113.8 | 118.2 | 122.6 |
| 60 | 98.7 | 102.8 | 107.0 | 111.3 | 115.7 | 120.1 | 124.7 |
| 63 | 100.2 | 104.4 | 108.7 | 113.0 | 117.5 | 122.0 | 126.7 |
| 66 | 101.6 | 105.9 | 110.2 | 114.7 | 119.2 | 123.8 | 128.6 |
| 69 | 103.0 | 107.3 | 111.7 | 116.3 | 120.9 | 125.6 | 130.4 |
| 72 | 104.1 | 108.6 | 113.1 | 117.7 | 122.4 | 127.2 | 132.1 |
| 75 | 105.3 | 109.8 | 114.4 | 119.2 | 124.0 | 128.8 | 133.8 |
| 78 | 106.5 | 111.1 | 115.8 | 120.7 | 125.6 | 130.5 | 135.6 |
| 81 | 107.9 | 112.6 | 117.4 | 122.3 | 127.3 | 132.4 | 137.6 |
7歲以下女童身高標準值(cm)
表中3歲前為身長，3歲及3歲后為身高
| 月齡 | -3SD | -2SD | -1SD | 中位數(shù) | +1SD | +2SD | +3SD |
| 0 | 44.7 | 46.4 | 48.0 | 49.7 | 51.4 | 53.2 | 55.0 |
| 1 | 47.9 | 49.8 | 51.7 | 53.7 | 55.7 | 57.8 | 59.9 |
| 2 | 51.1 | 53.2 | 55.3 | 57.4 | 59.6 | 61.8 | 64.1 |
| 3 | 54.2 | 56.3 | 58.4 | 60.6 | 62.8 | 65.1 | 67.5 |
| 4 | 56.7 | 58.8 | 61.0 | 63.1 | 65.4 | 67.7 | 70.0 |
| 5 | 58.6 | 60.8 | 62.9 | 65.2 | 67.4 | 69.8 | 72.1 |
| 6 | 60.1 | 62.3 | 64.5 | 66.8 | 69.1 | 71.5 | 74.0 |
| 7 | 61.3 | 63.6 | 65.9 | 68.2 | 70.6 | 73.1 | 75.6 |
| 8 | 62.5 | 64.8 | 67.2 | 69.6 | 72.1 | 74.7 | 77.3 |
| 9 | 63.7 | 66.1 | 68.5 | 71.0 | 73.6 | 76.2 | 78.9 |
| 10 | 64.9 | 67.3 | 69.8 | 72.4 | 75.0 | 77.7 | 80.5 |
| 11 | 66.1 | 68.6 | 71.1 | 73.7 | 76.4 | 79.2 | 82.0 |
| 12 | 67.2 | 69.7 | 72.3 | 75.0 | 77.7 | 80.5 | 83.4 |
| 15 | 70.2 | 72.9 | 75.6 | 78.5 | 81.4 | 84.3 | 87.4 |
| 18 | 72.8 | 75.6 | 78.5 | 81.5 | 84.6 | 87.7 | 91.0 |
| 21 | 75.1 | 78.1 | 81.2 | 84.4 | 87.7 | 91.1 | 94.5 |
| 24 | 77.3 | 80.5 | 83.8 | 87.2 | 90.7 | 94.3 | 98.0 |
| 27 | 79.3 | 82.7 | 86.2 | 89.8 | 93.5 | 97.3 | 101.2 |
| 30 | 81.4 | 84.8 | 88.4 | 92.1 | 95.9 | 99.8 | 103.8 |
| 33 | 83.4 | 86.9 | 90.5 | 94.3 | 98.1 | 102.0 | 106.1 |
| 36 | 85.4 | 88.9 | 92.5 | 96.3 | 100.1 | 104.1 | 108.1 |
| 39 | 86.6 | 90.1 | 93.8 | 97.5 | 101.4 | 105.4 | 109.4 |
| 42 | 88.4 | 91.9 | 95.6 | 99.4 | 103.3 | 107.2 | 111.3 |
| 45 | 90.1 | 93.7 | 97.4 | 101.2 | 105.1 | 109.2 | 113.3 |
| 48 | 91.7 | 95.4 | 99.2 | 103.1 | 107.0 | 111.1 | 115.3 |
| 51 | 93.2 | 97.0 | 100.9 | 104.9 | 109.0 | 113.1 | 117.4 |
| 54 | 94.8 | 98.7 | 102.7 | 106.7 | 110.9 | 115.2 | 119.5 |
| 57 | 96.4 | 100.3 | 104.4 | 108.5 | 112.8 | 117.1 | 121.6 |
| 60 | 97.8 | 101.8 | 106.0 | 110.2 | 114.5 | 118.9 | 123.4 |
| 63 | 99.3 | 103.4 | 107.6 | 111.9 | 116.2 | 120.7 | 125.3 |
| 66 | 100.7 | 104.9 | 109.2 | 113.5 | 118.0 | 122.6 | 127.2 |
| 69 | 102.0 | 106.3 | 110.7 | 115.2 | 119.7 | 124.4 | 129.1 |
| 72 | 103.2 | 107.6 | 112.0 | 116.6 | 121.2 | 126.0 | 130.8 |
| 75 | 104.4 | 108.8 | 113.4 | 118.0 | 122.7 | 127.6 | 132.5 |
| 78 | 105.5 | 110.1 | 114.7 | 119.4 | 124.3 | 129.2 | 134.2 |
| 81 | 106.7 | 111.4 | 116.1 | 121.0 | 125.9 | 130.9 | 136.1 |
7歲以下男童體重標準值(kg)
| 月齡 | -3SD | -2SD | -1SD | 中位數(shù) | +1SD | +2SD | +3SD |
| 0 | 2.26 | 2.58 | 2.93 | 3.32 | 3.73 | 4.18 | 4.66 |
| 1 | 3.09 | 3.52 | 3.99 | 4.51 | 5.07 | 5.67 | 6.33 |
| 2 | 3.94 | 4.47 | 5.05 | 5.68 | 6.38 | 7.14 | 7.97 |
| 3 | 4.69 | 5.29 | 5.97 | 6.70 | 7.51 | 8.40 | 9.37 |
| 4 | 5.25 | 5.91 | 6.64 | 7.45 | 8.34 | 9.32 | 10.39 |
| 5 | 5.66 | 6.36 | 7.14 | 8.00 | 8.95 | 9.99 | 11.15 |
| 6 | 5.97 | 6.70 | 7.51 | 8.41 | 9.41 | 10.50 | 11.72 |
| 7 | 6.24 | 6.99 | 7.83 | 8.76 | 9.79 | 10.93 | 12.20 |
| 8 | 6.46 | 7.23 | 8.09 | 9.05 | 10.11 | 11.29 | 12.60 |
| 9 | 6.67 | 7.46 | 8.35 | 9.33 | 10.42 | 11.64 | 12.99 |
| 10 | 6.86 | 7.67 | 8.58 | 9.58 | 10.71 | 11.95 | 13.34 |
| 11 | 7.04 | 7.87 | 8.80 | 9.83 | 10.98 | 12.26 | 13.68 |
| 12 | 7.21 | 8.06 | 9.00 | 10.05 | 11.23 | 12.54 | 14.00 |
| 15 | 7.68 | 8.57 | 9.57 | 10.68 | 11.93 | 13.32 | 14.88 |
| 18 | 8.13 | 9.07 | 10.12 | 11.29 | 12.61 | 14.09 | 15.75 |
| 21 | 8.61 | 9.59 | 10.69 | 11.93 | 13.33 | 14.90 | 16.66 |
| 24 | 9.06 | 10.09 | 11.24 | 12.54 | 14.01 | 15.67 | 17.54 |
| 27 | 9.47 | 10.54 | 11.75 | 13.11 | 14.64 | 16.38 | 18.36 |
| 30 | 9.86 | 10.97 | 12.22 | 13.64 | 15.24 | 17.06 | 19.13 |
| 33 | 10.24 | 11.39 | 12.68 | 14.15 | 15.82 | 17.72 | 19.89 |
| 36 | 10.61 | 11.79 | 13.13 | 14.65 | 16.39 | 18.37 | 20.64 |
| 39 | 10.97 | 12.19 | 13.57 | 15.15 | 16.95 | 19.02 | 21.39 |
| 42 | 11.31 | 12.57 | 14.00 | 15.63 | 17.50 | 19.65 | 22.13 |
| 45 | 11.66 | 12.96 | 14.44 | 16.13 | 18.07 | 20.32 | 22.91 |
| 48 | 12.01 | 13.35 | 14.88 | 16.64 | 18.67 | 21.01 | 23.73 |
| 51 | 12.37 | 13.76 | 15.35 | 17.18 | 19.30 | 21.76 | 24.63 |
| 54 | 12.74 | 14.18 | 15.84 | 17.75 | 19.98 | 22.57 | 25.61 |
| 57 | 13.12 | 14.61 | 16.34 | 18.35 | 20.69 | 23.43 | 26.68 |
| 60 | 13.50 | 15.06 | 16.87 | 18.98 | 21.46 | 24.38 | 27.85 |
| 63 | 13.86 | 15.48 | 17.38 | 19.60 | 22.21 | 25.32 | 29.04 |
| 66 | 14.18 | 15.87 | 17.85 | 20.18 | 22.94 | 26.24 | 30.22 |
| 69 | 14.48 | 16.24 | 18.31 | 20.75 | 23.66 | 27.17 | 31.43 |
| 72 | 14.74 | 16.56 | 18.71 | 21.26 | 24.32 | 28.03 | 32.57 |
| 75 | 15.01 | 16.90 | 19.14 | 21.82 | 25.06 | 29.01 | 33.89 |
| 78 | 15.30 | 17.27 | 19.62 | 22.45 | 25.89 | 30.13 | 35.41 |
| 81 | 15.66 | 17.73 | 20.22 | 23.24 | 26.95 | 31.56 | 37.39 |
7歲以下女童體重標準值(kg)
| 月齡 | -3SD | -2SD | -1SD | 中位數(shù) | +1SD | +2SD | +3SD |
| 0 | 2.26 | 2.54 | 2.85 | 3.21 | 3.63 | 4.10 | 4.65 |
| 1 | 2.98 | 3.33 | 3.74 | 4.20 | 4.74 | 5.35 | 6.05 |
| 2 | 3.72 | 4.15 | 4.65 | 5.21 | 5.86 | 6.60 | 7.46 |
| 3 | 4.40 | 4.90 | 5.47 | 6.13 | 6.87 | 7.73 | 8.71 |
| 4 | 4.93 | 5.48 | 6.11 | 6.83 | 7.65 | 8.59 | 9.66 |
| 5 | 5.33 | 5.92 | 6.59 | 7.36 | 8.23 | 9.23 | 10.38 |
| 6 | 5.64 | 6.26 | 6.96 | 7.77 | 8.68 | 9.73 | 10.93 |
| 7 | 5.90 | 6.55 | 7.28 | 8.11 | 9.06 | 10.15 | 11.40 |
| 8 | 6.13 | 6.79 | 7.55 | 8.41 | 9.39 | 10.51 | 11.80 |
| 9 | 6.34 | 7.03 | 7.81 | 8.69 | 9.70 | 10.86 | 12.18 |
| 10 | 6.53 | 7.23 | 8.03 | 8.94 | 9.98 | 11.16 | 12.52 |
| 11 | 6.71 | 7.43 | 8.25 | 9.18 | 10.24 | 11.46 | 12.85 |
| 12 | 6.87 | 7.61 | 8.45 | 9.40 | 10.48 | 11.73 | 13.15 |
| 15 | 7.34 | 8.12 | 9.01 | 10.02 | 11.18 | 12.50 | 14.02 |
| 18 | 7.79 | 8.63 | 9.57 | 10.65 | 11.88 | 13.29 | 14.90 |
| 21 | 8.26 | 9.15 | 10.15 | 11.30 | 12.61 | 14.12 | 15.85 |
| 24 | 8.70 | 9.64 | 10.70 | 11.92 | 13.31 | 14.92 | 16.77 |
| 27 | 9.10 | 10.09 | 11.21 | 12.50 | 13.97 | 15.67 | 17.63 |
| 30 | 9.48 | 10.52 | 11.70 | 13.05 | 14.60 | 16.39 | 18.47 |
| 33 | 9.86 | 10.94 | 12.18 | 13.59 | 15.22 | 17.11 | 19.29 |
| 36 | 10.23 | 11.36 | 12.65 | 14.13 | 15.83 | 17.81 | 20.10 |
| 39 | 10.60 | 11.77 | 13.11 | 14.65 | 16.43 | 18.50 | 20.90 |
| 42 | 10.95 | 12.16 | 13.55 | 15.16 | 17.01 | 19.17 | 21.69 |
| 45 | 11.29 | 12.55 | 14.00 | 15.67 | 17.60 | 19.85 | 22.49 |
| 48 | 11.62 | 12.93 | 14.44 | 16.17 | 18.19 | 20.54 | 23.30 |
| 51 | 11.96 | 13.32 | 14.88 | 16.69 | 18.79 | 21.25 | 24.14 |
| 54 | 12.30 | 13.71 | 15.33 | 17.22 | 19.42 | 22.00 | 25.04 |
| 57 | 12.62 | 14.08 | 15.78 | 17.75 | 20.05 | 22.75 | 25.96 |
| 60 | 12.93 | 14.44 | 16.20 | 18.26 | 20.66 | 23.50 | 26.87 |
| 63 | 13.23 | 14.80 | 16.64 | 18.78 | 21.30 | 24.28 | 27.84 |
| 66 | 13.54 | 15.18 | 17.09 | 19.33 | 21.98 | 25.12 | 28.89 |
| 69 | 13.84 | 15.54 | 17.53 | 19.88 | 22.65 | 25.96 | 29.95 |
| 72 | 14.11 | 15.87 | 17.94 | 20.37 | 23.27 | 26.74 | 30.94 |
| 75 | 14.38 | 16.21 | 18.35 | 20.89 | 23.92 | 27.57 | 32.00 |
| 78 | 14.66 | 16.55 | 18.78 | 21.44 | 24.61 | 28.46 | 33.14 |
| 81 | 14.96 | 16.92 | 19.25 | 22.03 | 25.37 | 29.42 | 34.40 |
7歲以下男童頭圍標準值(cm)
| 月齡 | -3SD | -2SD | -1SD | 中位數(shù) | +1SD | +2SD | +3SD |
| 0 | 30.9 | 32.1 | 33.3 | 34.5 | 35.7 | 36.8 | 37.9 |
| 1 | 33.3 | 34.5 | 35.7 | 36.9 | 38.2 | 39.4 | 40.7 |
| 2 | 35.2 | 36.4 | 37.6 | 38.9 | 40.2 | 41.5 | 42.9 |
| 3 | 36.7 | 37.9 | 39.2 | 40.5 | 41.8 | 43.2 | 44.6 |
| 4 | 38.0 | 39.2 | 40.4 | 41.7 | 43.1 | 44.5 | 45.9 |
| 5 | 39.0 | 40.2 | 41.5 | 42.7 | 44.1 | 45.5 | 46.9 |
| 6 | 39.8 | 41.0 | 42.3 | 43.6 | 44.9 | 46.3 | 47.7 |
| 7 | 40.4 | 41.7 | 42.9 | 44.2 | 45.5 | 46.9 | 48.4 |
| 8 | 41.0 | 42.2 | 43.5 | 44.8 | 46.1 | 47.5 | 48.9 |
| 9 | 41.5 | 42.7 | 44.0 | 45.3 | 46.6 | 48.0 | 49.4 |
| 10 | 41.9 | 43.1 | 44.4 | 45.7 | 47.0 | 48.4 | 49.8 |
| 11 | 42.3 | 43.5 | 44.8 | 46.1 | 47.4 | 48.8 | 50.2 |
| 12 | 42.6 | 43.8 | 45.1 | 46.4 | 47.7 | 49.1 | 50.5 |
| 15 | 43.2 | 44.5 | 45.7 | 47.0 | 48.4 | 49.7 | 51.1 |
| 18 | 43.7 | 45.0 | 46.3 | 47.6 | 48.9 | 50.2 | 51.6 |
| 21 | 44.2 | 45.5 | 46.7 | 48.0 | 49.4 | 50.7 | 52.1 |
| 24 | 44.6 | 45.9 | 47.1 | 48.4 | 49.8 | 51.1 | 52.5 |
| 27 | 45.0 | 46.2 | 47.5 | 48.8 | 50.1 | 51.4 | 52.8 |
| 30 | 45.3 | 46.5 | 47.8 | 49.1 | 50.4 | 51.7 | 53.1 |
| 33 | 45.5 | 46.8 | 48.0 | 49.3 | 50.6 | 52.0 | 53.3 |
| 36 | 45.7 | 47.0 | 48.3 | 49.6 | 50.9 | 52.2 | 53.5 |
| 42 | 46.2 | 47.4 | 48.7 | 49.9 | 51.3 | 52.6 | 53.9 |
| 48 | 46.5 | 47.8 | 49.0 | 50.3 | 51.6 | 52.9 | 54.2 |
| 54 | 46.9 | 48.1 | 49.4 | 50.6 | 51.9 | 53.2 | 54.6 |
| 60 | 47.2 | 48.4 | 49.7 | 51.0 | 52.2 | 53.6 | 54.9 |
| 66 | 47.5 | 48.7 | 50.0 | 51.3 | 52.5 | 53.8 | 55.2 |
| 72 | 47.8 | 49.0 | 50.2 | 51.5 | 52.8 | 54.1 | 55.4 |
7歲以下女童頭圍標準值(cm)
| 月齡 | -3SD | -2SD | -1SD | 中位數(shù) | +1SD | +2SD | +3SD |
| 0 | 30.4 | 31.6 | 32.8 | 34.0 | 35.2 | 36.4 | 37.5 |
| 1 | 32.6 | 33.8 | 35.0 | 36.2 | 37.4 | 38.6 | 39.9 |
| 2 | 34.5 | 35.6 | 36.8 | 38.0 | 39.3 | 40.5 | 41.8 |
| 3 | 36.0 | 37.1 | 38.3 | 39.5 | 40.8 | 42.1 | 43.4 |
| 4 | 37.2 | 38.3 | 39.5 | 40.7 | 41.9 | 43.3 | 44.6 |
| 5 | 38.1 | 39.2 | 40.4 | 41.6 | 42.9 | 44.3 | 45.7 |
| 6 | 38.9 | 40.0 | 41.2 | 42.4 | 43.7 | 45.1 | 46.5 |
| 7 | 39.5 | 40.7 | 41.8 | 43.1 | 44.4 | 45.7 | 47.2 |
| 8 | 40.1 | 41.2 | 42.4 | 43.6 | 44.9 | 46.3 | 47.7 |
| 9 | 40.5 | 41.7 | 42.9 | 44.1 | 45.4 | 46.8 | 48.2 |
| 10 | 40.9 | 42.1 | 43.3 | 44.5 | 45.8 | 47.2 | 48.6 |
| 11 | 41.3 | 42.4 | 43.6 | 44.9 | 46.2 | 47.5 | 49.0 |
| 12 | 41.5 | 42.7 | 43.9 | 45.1 | 46.5 | 47.8 | 49.3 |
| 15 | 42.2 | 43.4 | 44.6 | 45.8 | 47.2 | 48.5 | 50.0 |
| 18 | 42.8 | 43.9 | 45.1 | 46.4 | 47.7 | 49.1 | 50.5 |
| 21 | 43.2 | 44.4 | 45.6 | 46.9 | 48.2 | 49.6 | 51.0 |
| 24 | 43.6 | 44.8 | 46.0 | 47.3 | 48.6 | 50.0 | 51.4 |
| 27 | 44.0 | 45.2 | 46.4 | 47.7 | 49.0 | 50.3 | 51.7 |
| 30 | 44.3 | 45.5 | 46.7 | 48.0 | 49.3 | 50.7 | 52.1 |
| 33 | 44.6 | 45.8 | 47.0 | 48.3 | 49.6 | 50.9 | 52.3 |
| 36 | 44.8 | 46.0 | 47.3 | 48.5 | 49.8 | 51.2 | 52.6 |
| 42 | 45.3 | 46.5 | 47.7 | 49.0 | 50.3 | 51.6 | 53.0 |
| 48 | 45.7 | 46.9 | 48.1 | 49.4 | 50.6 | 52.0 | 53.3 |
| 54 | 46.0 | 47.2 | 48.4 | 49.7 | 51.0 | 52.3 | 53.7 |
| 60 | 46.3 | 47.5 | 48.7 | 50.0 | 51.3 | 52.6 | 53.9 |
| 66 | 46.6 | 47.8 | 49.0 | 50.3 | 51.5 | 52.8 | 54.2 |
| 72 | 46.8 | 48.0 | 49.2 | 50.5 | 51.8 | 53.1 | 54.4 |
看了兒童發(fā)育時間表的人還看了：