| perinatology crl calculator | 1.81 | 0.8 | 8122 | 27 | 29 |
| perinatology nt crl calculator | 0.01 | 0.6 | 508 | 30 | 93 |
| nt and crl calculator | 0.92 | 0.6 | 9293 | 21 | 78 |
| perinatology growth percentile calculator | 1.67 | 0.9 | 6752 | 41 | 89 |
| perinatology nuchal translucency calculator | 0.13 | 0.3 | 3337 | 43 | 81 |
| perinatology fetal growth calculator | 1.43 | 0.8 | 2196 | 36 | 51 |
| perinatology pc ratio calculator | 0.95 | 0.9 | 1169 | 32 | 87 |
| crl and nt measurement | 0.04 | 0.4 | 3939 | 22 | 38 |
| perinatology s/d ratio calculator | 1.63 | 0.5 | 6515 | 33 | 22 |
| perinatology head circumference calculator | 1.09 | 0.3 | 5585 | 42 | 96 |
| perinatal quality nipt calculator | 1.47 | 0.3 | 4081 | 33 | 74 |
| perinatology calculator fetal length | 1.9 | 0.5 | 2734 | 36 | 40 |
| perinatology gestational age calculator | 1.86 | 1 | 1820 | 39 | 54 |
| perinatology calculator growth discordance | 0.47 | 0.4 | 8482 | 42 | 13 |
