Using ultrasound measurements of the femur, tibia, humerus, radius (N = 515), and fibula and ulna (N = 385) from normal fetuses between 12 and 40 completed weeks of gestation, growth models were determined for each bone by computer analysis. On the basis of residual analysis, growth of fetal limb bo
Mathematical Modeling of Fetal Growth: I. Basic Principles
β Scribed by Ivar K. Rossavik; Russell L. Deter
- Publisher
- John Wiley and Sons
- Year
- 1984
- Tongue
- English
- Weight
- 437 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0091-2751
No coin nor oath required. For personal study only.
β¦ Synopsis
Quantitative characterization of fetal growth requires the selection of measurement parameters and a growth curve model. For such studies we propose two new parameters (the head cube and the abdominal cube) and a new growth curve model [P = c(t)k+s(t)]. These parameters are relatively insensitive to shape changes and are related to three-dimensional parameters even though they can be calculated from profile diameter measurements. The growth curve model is capable of adequately describing a wide variety of growth curves and its coefficients may be associated with specific biological variables. The properties of these parameters and the growth curve model are discussed.
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