Template:1917 Human embryo lengths and weights table
From Embryology
| Age | Crown-heel Length (CH) or Standing Height (mm) | Crown-rump Length (CR) or Sitting Height (mm) | Weight in Grams |
|---|---|---|---|
| Twenty-one days | 0.5 | 0.5 | .. |
| Twenty-eight days | 2.5 | 2.5 | .. |
| Thirty-five days | 5.5 | 5.5 | .. |
| Forty-two days | 11.0 | 11.0 | .. |
| Forty-nine days | 19.0 | 17.0 | .. |
| Second lunar month | 30.0 | 25.0 | .. |
| Third lunar month | 98.0 | 68.0 | 20 |
| Fourth lunar month | 180.0 | 121.0 | 120 |
| Fifth lunar month | 250.0 | 167.0 | 285 |
| Sixth lunar month | 315.0 | 210.0 | 635 |
| Seventh lunar month | 370.0 | 245.0 | 1220 |
| Eighth lunar month | 425.0 | 284.0 | 1700 |
| Ninth lunar month | 470.0 | 316.0 | 2240 |
| Tenth lunar month | 500.0 | 345.0 | 3250 |
