香港の頭囲パーセンタイル数値表（P3〜P97）
香港が公表している頭囲の数値、P3 から P97 まで月齢ごとに、18歳まで。男女別、その基準自身の曲線で。
男の子
| 年齢 | P3 | P15 | P50 | P85 | P97 |
|---|---|---|---|---|---|
| 0か月 | 32.4 | 33.2 | 34.2 | 35.3 | 36.1 |
| 1か月 | 34.9 | 35.8 | 36.9 | 38.0 | 38.9 |
| 2か月 | 36.8 | 37.7 | 38.9 | 40.1 | 41.1 |
| 3か月 | 38.2 | 39.2 | 40.4 | 41.6 | 42.6 |
| 4か月 | 39.3 | 40.3 | 41.6 | 42.8 | 43.9 |
| 5か月 | 40.3 | 41.3 | 42.6 | 43.9 | 44.9 |
| 6か月 | 41.1 | 42.1 | 43.4 | 44.7 | 45.8 |
| 7か月 | 41.8 | 42.8 | 44.1 | 45.4 | 46.5 |
| 8か月 | 42.3 | 43.3 | 44.7 | 46.0 | 47.1 |
| 9か月 | 42.8 | 43.8 | 45.1 | 46.5 | 47.6 |
| 10か月 | 43.2 | 44.2 | 45.6 | 46.9 | 48.1 |
| 11か月 | 43.5 | 44.6 | 45.9 | 47.3 | 48.4 |
| 12か月 | 43.8 | 44.9 | 46.3 | 47.6 | 48.8 |
| 13か月 | 44.1 | 45.2 | 46.5 | 47.9 | 49.1 |
| 14か月 | 44.3 | 45.4 | 46.8 | 48.2 | 49.3 |
| 15か月 | 44.6 | 45.6 | 47.0 | 48.4 | 49.6 |
| 16か月 | 44.7 | 45.8 | 47.2 | 48.6 | 49.8 |
| 17か月 | 44.9 | 46.0 | 47.4 | 48.8 | 49.9 |
| 18か月 | 45.1 | 46.1 | 47.5 | 48.9 | 50.1 |
| 19か月 | 45.2 | 46.3 | 47.7 | 49.1 | 50.2 |
| 20か月 | 45.3 | 46.4 | 47.8 | 49.2 | 50.4 |
| 21か月 | 45.4 | 46.5 | 47.9 | 49.3 | 50.5 |
| 22か月 | 45.6 | 46.6 | 48.0 | 49.4 | 50.6 |
| 23か月 | 45.7 | 46.8 | 48.1 | 49.5 | 50.7 |
| 2歳 | 45.8 | 46.9 | 48.2 | 49.7 | 50.8 |
| 2歳3か月 | 46.1 | 47.1 | 48.5 | 49.9 | 51.1 |
| 2歳6か月 | 46.3 | 47.4 | 48.8 | 50.2 | 51.4 |
| 2歳9か月 | 46.6 | 47.6 | 49.0 | 50.5 | 51.6 |
| 3歳 | 46.8 | 47.9 | 49.3 | 50.7 | 51.9 |
| 3歳3か月 | 47.0 | 48.1 | 49.5 | 50.9 | 52.1 |
| 3歳6か月 | 47.2 | 48.3 | 49.6 | 51.1 | 52.2 |
| 3歳9か月 | 47.3 | 48.4 | 49.8 | 51.2 | 52.4 |
| 4歳 | 47.5 | 48.6 | 49.9 | 51.4 | 52.6 |
| 4歳3か月 | 47.6 | 48.7 | 50.1 | 51.5 | 52.7 |
| 4歳6か月 | 47.7 | 48.8 | 50.2 | 51.6 | 52.8 |
| 4歳9か月 | 47.9 | 49.0 | 50.3 | 51.8 | 52.9 |
| 5歳 | 48.0 | 49.1 | 50.4 | 51.9 | 53.1 |
| 5歳6か月 | 48.2 | 49.3 | 50.7 | 52.1 | 53.3 |
| 6歳 | 48.5 | 49.6 | 50.9 | 52.4 | 53.6 |
| 6歳6か月 | 48.7 | 49.8 | 51.2 | 52.6 | 53.8 |
| 7歳 | 48.9 | 50.0 | 51.4 | 52.9 | 54.1 |
| 7歳6か月 | 49.1 | 50.2 | 51.6 | 53.1 | 54.3 |
| 8歳 | 49.3 | 50.5 | 51.9 | 53.3 | 54.6 |
| 8歳6か月 | 49.5 | 50.7 | 52.1 | 53.6 | 54.8 |
| 9歳 | 49.7 | 50.9 | 52.3 | 53.8 | 55.1 |
| 9歳6か月 | 49.9 | 51.1 | 52.5 | 54.1 | 55.4 |
| 10歳 | 50.1 | 51.3 | 52.8 | 54.3 | 55.6 |
| 10歳6か月 | 50.3 | 51.5 | 53.0 | 54.6 | 55.9 |
| 11歳 | 50.5 | 51.7 | 53.2 | 54.8 | 56.2 |
| 11歳6か月 | 50.7 | 51.9 | 53.5 | 55.1 | 56.5 |
| 12歳 | 51.0 | 52.2 | 53.7 | 55.4 | 56.8 |
| 12歳6か月 | 51.2 | 52.4 | 54.0 | 55.7 | 57.1 |
| 13歳 | 51.4 | 52.6 | 54.2 | 55.9 | 57.4 |
| 13歳6か月 | 51.6 | 52.9 | 54.5 | 56.2 | 57.6 |
| 14歳 | 51.9 | 53.1 | 54.7 | 56.4 | 57.9 |
| 14歳6か月 | 52.1 | 53.3 | 54.9 | 56.7 | 58.1 |
| 15歳 | 52.3 | 53.5 | 55.1 | 56.9 | 58.3 |
| 15歳6か月 | 52.5 | 53.7 | 55.3 | 57.0 | 58.5 |
| 16歳 | 52.6 | 53.9 | 55.5 | 57.2 | 58.6 |
| 16歳6か月 | 52.8 | 54.0 | 55.6 | 57.3 | 58.8 |
| 17歳 | 52.9 | 54.1 | 55.7 | 57.4 | 58.8 |
| 17歳6か月 | 53.0 | 54.2 | 55.8 | 57.4 | 58.9 |
| 18歳 | 53.1 | 54.3 | 55.8 | 57.5 | 58.9 |
女の子
| 年齢 | P3 | P15 | P50 | P85 | P97 |
|---|---|---|---|---|---|
| 0か月 | 32.0 | 32.8 | 33.8 | 34.8 | 35.6 |
| 1か月 | 34.3 | 35.1 | 36.1 | 37.2 | 38.1 |
| 2か月 | 36.0 | 36.9 | 38.0 | 39.1 | 40.0 |
| 3か月 | 37.4 | 38.2 | 39.4 | 40.5 | 41.5 |
| 4か月 | 38.4 | 39.4 | 40.5 | 41.7 | 42.7 |
| 5か月 | 39.3 | 40.3 | 41.4 | 42.6 | 43.6 |
| 6か月 | 40.1 | 41.1 | 42.2 | 43.5 | 44.5 |
| 7か月 | 40.8 | 41.7 | 43.0 | 44.2 | 45.2 |
| 8か月 | 41.4 | 42.3 | 43.6 | 44.8 | 45.8 |
| 9か月 | 41.9 | 42.9 | 44.1 | 45.4 | 46.4 |
| 10か月 | 42.3 | 43.3 | 44.5 | 45.8 | 46.9 |
| 11か月 | 42.7 | 43.7 | 44.9 | 46.2 | 47.2 |
| 12か月 | 43.0 | 44.0 | 45.2 | 46.5 | 47.6 |
| 13か月 | 43.2 | 44.2 | 45.5 | 46.8 | 47.8 |
| 14か月 | 43.5 | 44.5 | 45.7 | 47.0 | 48.1 |
| 15か月 | 43.7 | 44.7 | 45.9 | 47.2 | 48.3 |
| 16か月 | 43.8 | 44.8 | 46.1 | 47.4 | 48.5 |
| 17か月 | 44.0 | 45.0 | 46.3 | 47.6 | 48.6 |
| 18か月 | 44.2 | 45.2 | 46.4 | 47.7 | 48.8 |
| 19か月 | 44.3 | 45.3 | 46.6 | 47.9 | 48.9 |
| 20か月 | 44.4 | 45.5 | 46.7 | 48.0 | 49.1 |
| 21か月 | 44.6 | 45.6 | 46.9 | 48.2 | 49.2 |
| 22か月 | 44.7 | 45.7 | 47.0 | 48.3 | 49.3 |
| 23か月 | 44.8 | 45.8 | 47.1 | 48.4 | 49.5 |
| 2歳 | 44.9 | 46.0 | 47.2 | 48.5 | 49.6 |
| 2歳3か月 | 45.2 | 46.3 | 47.6 | 48.9 | 49.9 |
| 2歳6か月 | 45.5 | 46.6 | 47.9 | 49.2 | 50.2 |
| 2歳9か月 | 45.7 | 46.8 | 48.1 | 49.4 | 50.5 |
| 3歳 | 45.9 | 47.0 | 48.3 | 49.6 | 50.7 |
| 3歳3か月 | 46.1 | 47.2 | 48.5 | 49.8 | 50.8 |
| 3歳6か月 | 46.3 | 47.3 | 48.6 | 50.0 | 51.0 |
| 3歳9か月 | 46.4 | 47.5 | 48.8 | 50.1 | 51.2 |
| 4歳 | 46.6 | 47.6 | 49.0 | 50.3 | 51.4 |
| 4歳3か月 | 46.7 | 47.8 | 49.1 | 50.4 | 51.5 |
| 4歳6か月 | 46.8 | 47.9 | 49.3 | 50.6 | 51.7 |
| 4歳9か月 | 47.0 | 48.0 | 49.4 | 50.7 | 51.8 |
| 5歳 | 47.1 | 48.2 | 49.5 | 50.9 | 52.0 |
| 5歳6か月 | 47.3 | 48.4 | 49.7 | 51.1 | 52.2 |
| 6歳 | 47.5 | 48.6 | 50.0 | 51.4 | 52.5 |
| 6歳6か月 | 47.7 | 48.8 | 50.2 | 51.6 | 52.8 |
| 7歳 | 47.8 | 49.0 | 50.4 | 51.8 | 53.0 |
| 7歳6か月 | 48.1 | 49.2 | 50.6 | 52.1 | 53.3 |
| 8歳 | 48.3 | 49.4 | 50.9 | 52.4 | 53.6 |
| 8歳6か月 | 48.5 | 49.7 | 51.1 | 52.7 | 54.0 |
| 9歳 | 48.8 | 49.9 | 51.4 | 53.0 | 54.3 |
| 9歳6か月 | 49.1 | 50.2 | 51.7 | 53.3 | 54.7 |
| 10歳 | 49.4 | 50.5 | 52.0 | 53.6 | 55.0 |
| 10歳6か月 | 49.7 | 50.8 | 52.3 | 53.9 | 55.3 |
| 11歳 | 50.0 | 51.1 | 52.6 | 54.2 | 55.6 |
| 11歳6か月 | 50.2 | 51.3 | 52.8 | 54.4 | 55.8 |
| 12歳 | 50.4 | 51.6 | 53.0 | 54.6 | 56.0 |
| 12歳6か月 | 50.6 | 51.8 | 53.2 | 54.8 | 56.1 |
| 13歳 | 50.8 | 51.9 | 53.4 | 54.9 | 56.2 |
| 13歳6か月 | 50.9 | 52.1 | 53.5 | 55.0 | 56.3 |
| 14歳 | 51.0 | 52.2 | 53.6 | 55.1 | 56.4 |
| 14歳6か月 | 51.1 | 52.2 | 53.7 | 55.2 | 56.4 |
| 15歳 | 51.1 | 52.3 | 53.7 | 55.2 | 56.5 |
| 15歳6か月 | 51.1 | 52.3 | 53.7 | 55.2 | 56.5 |
| 16歳 | 51.1 | 52.3 | 53.7 | 55.2 | 56.5 |
| 16歳6か月 | 51.1 | 52.3 | 53.8 | 55.2 | 56.4 |
| 17歳 | 51.1 | 52.3 | 53.8 | 55.2 | 56.4 |
| 17歳6か月 | 51.1 | 52.3 | 53.8 | 55.2 | 56.4 |
| 18歳 | 51.1 | 52.3 | 53.8 | 55.2 | 56.4 |
この表について
- これらの数値は公式の数表ではなく、公表された曲線図から読み取ったもの。臨床で使うなら衞生署自身の図が基準になる。