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[Detection of intrauterine fetal growth of twins]
1First Affiliated Hospital, Sun Yat-Sen University of Medical Science, Guangzhou.
Objective:
To investigate how to detect intrauterine fetal growth of twins with height of uterine fundus.
Methods:
This study was a randomized coupling trial. 75-couples of twins and single gestation were involved. Linear regression analysis was made after correcting the uterine height of single gestation.
Results:
If each of twins develops as the same as single gestation, the relationship in uterine height between twins and single gestation can be described as a correlation equation: y = 1.26x + 1.3 (R2 = 0.656, r = 0.81, P < 0.001). The regression coefficient is 1.26, which is very closed to 3 square root of 2. According to the correlation equation, we made a table to forecast the uterine height of twins and single gestation in different gestational age.
Conclusion:
The ralationship in the uterine height between twins and single gestation can be used to predict intrauterine fetal growth of twins.