Calculation of gestational age based on fetal kidney length: a study in central India region
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2018, Vol 17, Issue 9
Abstract
Ever since the advent of Fetal biometry in Obstetric Ultrasonography for the calculation of Gestational age of the fetus, embryologists, obstetricians and sonologists all over the world have been constantly searching for a single most accurate index to be able to calculate the gestational age correctly. Many indices were suggested to calculate GA. Various studies by experts all over the world have been adding new inputs regarding the authenticity of these parameters. Parameters like BPD, FL, MC and AC are used currently to determine the GA of the fetus. But these parameters might be inaccurate in late pregnancy. Furthermore there is a substantial evidence that the standard deviation for these indices widen as pregnancy progresses. In a hunt to discover a method which could accurately predict gestational age even in advanced stages of gestation, various non- traditional sonographic parameters are being studied. These include transverse cerebellar diameter, fetal foot length, epiphyseal ossification centers, amniotic fluid volume and placental thickness. Fetal kidney length is one such non-traditional parameter for estimating gestational age under study. Fetal kidneys are easy to identify and measure. The length of kidneys during fetal life is strongly correlated to gestational age and its linear growth during gestation has been demonstrated on MRI also.61 It is a more accurate method of GA estimation than BPD, FL, HC and AC after the 24th week of gestation. The observations of the present study showed that the mean kidney lengths increased linearly with each week of gestation.
Authors and Affiliations
Dr. N. L. Agrawal, Dr. Neha Tiwari
Keywords
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- EP ID EP395421
- DOI 10.9790/0853-1709084750.
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