File talk:Fetal length change.jpg: Difference between revisions
From Embryology
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| 8 | | 8 (embryonic) | ||
| 6 | | 6 | ||
| 1.6 | | 1.6 | ||
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| 4 | | 4 | ||
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| 11 | | 11 (fetal) | ||
| 9 | | 9 | ||
| 4.1 | | 4.1 | ||
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| 14 | | 14 | ||
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| 13 | | 13 (second trimester) | ||
| 11 | | 11 | ||
| 7.4 | | 7.4 | ||
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| 875 | | 875 | ||
|-bgcolor="F5FAFF" | |-bgcolor="F5FAFF" | ||
| 28 | | 28 (third trimester) | ||
| 26 | | 26 | ||
| 37.6 | | 37.6 | ||
Revision as of 15:16, 27 May 2011
New Length Weight Table
| Gestational age (LMP) (weeks) |
Fertilization age (weeks) |
Length (cm) |
Mass (g) |
| (crown to rump) | |||
| 8 (embryonic) | 6 | 1.6 | 1 |
| 9 | 7 | 2.3 | 2 |
| 10 | 8 | 3.1 | 4 |
| 11 (fetal) | 9 | 4.1 | 7 |
| 12 | 10 | 5.4 | 14 |
| 13 (second trimester) | 11 | 7.4 | 23 |
| 14 | 12 | 8.7 | 43 |
| 15 | 13 | 10.1 | 70 |
| 16 | 14 | 11.6 | 100 |
| 17 | 15 | 13 | 140 |
| 18 | 16 | 14.2 | 190 |
| 19 | 17 | 15.3 | 240 |
| 20 | 18 | 16.4 | 300 |
| (crown to heel) | |||
| 20 | 19 | 25.6 | 300 |
| 21 | 26.7 | 360 | |
| 22 | 20 | 27.8 | 430 |
| 23 | 21 | 28.9 | 501 |
| 24 | 22 | 30 | 600 |
| 25 | 23 | 34.6 | 660 |
| 26 | 24 | 35.6 | 760 |
| 27 | 25 | 36.6 | 875 |
| 28 (third trimester) | 26 | 37.6 | 1005 |
| 29 | 27 | 38.6 | 1153 |
| 30 | 28 | 39.9 | 1319 |
| 31 | 29 | 41.1 | 1502 |
| 32 | 30 | 42.4 | 1702 |
| 33 | 31 | 43.7 | 1918 |
| 34 | 32 | 45 | 2146 |
| 35 | 33 | 46.2 | 2383 |
| 36 | 34 | 47.4 | 2622 |
| 37 | 35 | 48.6 | 2859 |
| 38 | 36 | 49.8 | 3083 |
| 39 | 37 | 50.7 | 3288 |
| 40 | 38 | 51.2 | 3462 |
| 41 | 39 | 51.7 | 3597 |
| 42 | 4- | 51.5 | 3685 |
Gestational Age
| Gestational age (LMP) (weeks) |
Length (cm) | Mass (g) |
| (crown to rump) | ||
| 8 weeks | 1.6 cm | 1 gram |
| 9 weeks | 2.3 cm | 2 grams |
| 10 weeks | 3.1 cm | 4 grams |
| 11 weeks | 4.1 cm | 7 grams |
| 12 weeks | 5.4 cm | 14 grams |
| 13 weeks | 7.4 cm | 23 grams |
| 14 weeks | 8.7 cm | 43 grams |
| 15 weeks | 10.1 cm | 70 grams |
| 16 weeks | 11.6 cm | 100 grams |
| 17 weeks | 13 cm | 140 grams |
| 18 weeks | 14.2 cm | 190 grams |
| 19 weeks | 15.3 cm | 240 grams |
| 20 weeks | 16.4 cm | 300 grams |
| (crown to heel) | ||
| 20 weeks | 25.6 cm | 300 grams |
| 21 weeks | 26.7 cm | 360 grams |
| 22 weeks | 27.8 cm | 430 grams |
| 23 weeks | 28.9 cm | 501 grams |
| 24 weeks | 30 cm | 600 grams |
| 25 weeks | 34.6 cm | 660 grams |
| 26 weeks | 35.6 cm | 760 grams |
| 27 weeks | 36.6 cm | 875 grams |
| 28 weeks | 37.6 cm | 1005 grams |
| 29 weeks | 38.6 cm | 1153 grams |
| 30 weeks | 39.9 cm | 1319 grams |
| 31 weeks | 41.1 cm | 1502 grams |
| 32 weeks | 42.4 cm | 1702 grams |
| 33 weeks | 43.7 cm | 1918 grams |
| 34 weeks | 45 cm | 2146 grams |
| 5.25 pounds | 46.2 cm | 2383 grams |
| 36 weeks | 47.4 cm | 2622 grams |
| 37 weeks | 48.6 cm | 2859 grams |
| 38 weeks | 49.8 cm | 3083 grams |
| 39 weeks | 50.7 cm | 3288 grams |
| 40 weeks | 51.2 cm | 3462 grams |
| 41 weeks | 51.7 cm | 3597 grams |
| 42 weeks | 51.5 cm | 3685 grams |
Metric and USA
| Gestational age (LMP) | Length (US) | Weight (US) | Length (cm) | Mass (g) |
| (crown to rump) | (crown to rump) | |||
| 8 weeks | 0.63 inch | 0.04 ounce | 1.6 cm | 1 gram |
| 9 weeks | 0.90 inch | 0.07 ounce | 2.3 cm | 2 grams |
| 10 weeks | 1.22 inch | 0.14 ounce | 3.1 cm | 4 grams |
| 11 weeks | 1.61 inch | 0.25 ounce | 4.1 cm | 7 grams |
| 12 weeks | 2.13 inches | 0.49 ounce | 5.4 cm | 14 grams |
| 13 weeks | 2.91 inches | 0.81 ounce | 7.4 cm | 23 grams |
| 14 weeks | 3.42 inches | 1.52 ounce | 8.7 cm | 43 grams |
| 15 weeks | 3.98 inches | 2.47 ounces | 10.1 cm | 70 grams |
| 16 weeks | 4.57 inches | 3.53 ounces | 11.6 cm | 100 grams |
| 17 weeks | 5.12 inches | 4.94 ounces | 13 cm | 140 grams |
| 18 weeks | 5.59 inches | 6.70 ounces | 14.2 cm | 190 grams |
| 19 weeks | 6.02 inches | 8.47 ounces | 15.3 cm | 240 grams |
| 20 weeks | 6.46 inches | 10.58 ounces | 16.4 cm | 300 grams |
| (crown to heel) | (crown to heel) | |||
| 20 weeks | 10.08 inches | 10.58 ounces | 25.6 cm | 300 grams |
| 21 weeks | 10.51 inches | 12.70 ounces | 26.7 cm | 360 grams |
| 22 weeks | 10.94 inches | 15.17 ounces | 27.8 cm | 430 grams |
| 23 weeks | 11.38 inches | 1.10 pound | 28.9 cm | 501 grams |
| 24 weeks | 11.81 inches | 1.32 pound | 30 cm | 600 grams |
| 25 weeks | 13.62 inches | 1.46 pound | 34.6 cm | 660 grams |
| 26 weeks | 14.02 inches | 1.68 pound | 35.6 cm | 760 grams |
| 27 weeks | 14.41 inches | 1.93 pound | 36.6 cm | 875 grams |
| 28 weeks | 14.80 inches | 2.22 pounds | 37.6 cm | 1005 grams |
| 29 weeks | 15.2 inches | 2.54 pounds | 38.6 cm | 1153 grams |
| 30 weeks | 15.71 inches | 2.91 pounds | 39.9 cm | 1319 grams |
| 31 weeks | 16.18 inches | 3.31 pounds | 41.1 cm | 1502 grams |
| 32 weeks | 16.69 inches | 3.75 pounds | 42.4 cm | 1702 grams |
| 33 weeks | 17.20 inches | 4.23 pounds | 43.7 cm | 1918 grams |
| 34 weeks | 17.72 inches | 4.73 pounds | 45 cm | 2146 grams |
| 35 weeks | 18.19 inches | 5.25 pounds | 46.2 cm | 2383 grams |
| 36 weeks | 18.66 inches | 5.78 pounds | 47.4 cm | 2622 grams |
| 37 weeks | 19.13 inches | 6.30 pounds | 48.6 cm | 2859 grams |
| 38 weeks | 19.61 inches | 6.80 pounds | 49.8 cm | 3083 grams |
| 39 weeks | 19.96 inches | 7.25 pounds | 50.7 cm | 3288 grams |
| 40 weeks | 20.16 inches | 7.63 pounds | 51.2 cm | 3462 grams |
| 41 weeks | 20.35 inches | 7.93 pounds | 51.7 cm | 3597 grams |
| 42 weeks | 20.28 inches | 8.12 pounds | 51.5 cm | 3685 grams |
References
Doublet PM, Benson CB, Nadel AS, et al: "Improved birth weight table for neonates developed from gestations dated by early ultrasonography." Journal of Ultrasound Medicine. 16:241, 1997.
Hadlock FP, Shah YP, Kanon DJ, et al. "Fetal crown rump length: Reevaluation of relation to menstrual age with high resolution real-time US Radiology." 182:501, 1992.
Usher R, McLean F. "Intrauterine growth of live-born Caucasian infants at sea level: Standards obtained from measurements in 7 dimensions of infants born between 25 and 44 weeks of gestation." Pediatrics. v.74, 1969.
