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Table 1 Centile chart for both Kidneys Lengths

From: Sonographic estimation of gestational age from 20 to 40 weeks by fetal kidney lengths’ measurements among pregnant women in Portharcourt, Nigeria

GA

Right kidney (cm)

Left kidney (cm)

5th

50th (Mean)

95th

SD

5th

50th (Mean)

95th

SD

20

1.03

2.04

2.29

0.38

1.11

2.10

2.34

0.37

21

1.27

2.26

2.51

0.38

1.37

2.35

2.58

0.37

23

1.67

2.64

2.87

0.37

1.80

2.76

2.99

0.36

24

1.85

2.80

3.03

0.36

1.98

2.93

3.16

0.36

25

2.00

2.94

3.16

0.35

2.15

3.08

3.31

0.35

26

2.15

3.06

3.29

0.35

2.29

3.22

3.44

0.35

27

2.28

3.18

3.40

0.34

2.43

3.34

3.56

0.34

28

2.40

3.28

3.50

0.33

2.55

3.45

3.67

0.34

29

2.51

3.38

3.59

0.33

2.66

3.55

3.77

0.34

30

2.62

3.47

3.68

0.32

2.76

3.64

3.86

0.33

31

2.72

3.56

3.76

0.32

2.86

3.73

3.94

0.33

32

2.82

3.65

3.85

0.31

2.96

3.82

4.03

0.32

33

2.93

3.73

3.93

0.30

3.06

3.91

4.11

0.32

34

3.03

3.83

4.02

0.30

3.16

4.00

4.20

0.32

35

3.15

3.92

4.11

0.29

3.27

4.10

4.30

0.31

36

3.27

4.03

4.21

0.29

3.39

4.20

4.40

0.31

37

3.40

4.14

4.32

0.28

3.51

4.32

4.51

0.30

38

3.54

4.27

4.45

0.27

3.65

4.44

4.64

0.30

39

3.70

4.41

4.58

0.27

3.81

4.59

4.78

0.30

40

3.88

4.57

4.74

0.26

3.98

4.75

4.94

0.29