Abstract
Introduction: An accurate gestational age is must for Obstetricians and Gynecologists to make appropriate decisions, for identify and counseling women who are at risk of a preterm delivery and to evaluation of fetal growth and the detection of intrauterine growth restriction (IUGR). In our present study, we worked on fetal tibial length & foot length and found that in normal growing fetus, fetal tibial length increase with advancing gestational age and regression analysis showed a strongly significant relationship between gestational age and fetal tibial length. Materials and Methods: 100 pregnant women underwent ultrasonographic measurements of Tibia and Foot Length from 15 to 36 weeks of gestation, in the Radio diagnosis Department. Results: In our study, we found the earliest age at which Tibia and foot length could be seen by ultrasound was 15 weeks of gestation and mean tibia length 10.25± 0.50, mean foot length is 17.5±1.29 while at 36 weeks of gestation are 70.80±0.84 and 64.4±3.28 respectively. A strongly significant relationship has been observed between fetal foot length and gestational age by regression analysis. Conclusion: Fetal tibia length and foot length can be considered as one of the good parameter for the determination of gestational age. Keywords: Fetal tibial length, Fetal foot length, Gestational age by USG.
Highlights
An accurate gestational age is must for Obstetricians and Gynecologists to make appropriate decisions, for identify and counseling women who are at risk of a preterm delivery and to evaluation of fetal growth and the detection of intrauterine growth restriction (IUGR)
Ultrasonographic measurements of Tibia and Foot were done (Fig. 1 and Fig. 2) without prior knowledge of gestational age and the gestational age was confirmed by an early abdominal ultrasound by biparietal diameter, femur length and abdominal circumference
From regression analysis a strongly significant relationship has been observed between fetal foot length and gestational age (Table 2)
Summary
An accurate gestational age is must for Obstetricians and Gynecologists to make appropriate decisions, for identify and counseling women who are at risk of a preterm delivery and to evaluation of fetal growth and the detection of intrauterine growth restriction (IUGR). A strongly significant relationship has been observed between fetal foot length and gestational age by regression analysis. Conclusion: Fetal tibia length and foot length can be considered as one of the good parameter for the determination of gestational age. 2. Stage two (beginning of 3rd month): The foot is in Precise pregnancy dating is important in the 90 degrees equinus, adducted and markedly interpretation of biochemical serum screening test or for guiding patients about the option of termination of pregnancy.[1] Clinical parameters such as the menstrual supinated. 3. Stage three (middle of 3rd month): The foot dorsiflexes at the ankle, but a mild degree of cycle or uterine size often are not reliable so ultrasound equinus is still present and marked supination is considered the most precise parameter for pregnancy persists.
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