Results: the mean of gestational weeks at diagnosis were 24.38 ± 4.86, the mean of gestational weeks at delivery were 30.88 ± 7.39.
Tuổi thai trung bình tiến hành truyền ối là 24,38 ± 4,86 tuần; tuổi thai trung bình lúc sinh 30,88 ± 7,39 tuần.