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Table 5 Percentile for fetal growth velocity of femur diaphysis length (mm/week) according to gestational age

From: Fetal growth velocity references from a Chinese population–based fetal growth study

Gestational age (weeks)

3rd

5th

10th

25th

50th

75th

90th

95th

97th

12

2.36

2.38

2.41

2.47

2.54

2.60

2.66

2.70

2.72

13

2.70

2.73

2.77

2.83

2.91

2.99

3.06

3.10

3.13

14

2.91

2.94

2.98

3.06

3.14

3.22

3.30

3.35

3.38

15

2.98

3.01

3.06

3.13

3.21

3.30

3.38

3.43

3.46

16

2.94

2.96

3.01

3.08

3.16

3.25

3.33

3.37

3.41

17

2.82

2.84

2.89

2.96

3.04

3.12

3.19

3.24

3.27

18

2.69

2.72

2.76

2.83

2.90

2.98

3.05

3.10

3.13

19

2.63

2.66

2.70

2.76

2.84

2.91

2.98

3.03

3.06

20

2.61

2.64

2.68

2.74

2.82

2.89

2.96

3.01

3.03

21

2.57

2.60

2.63

2.70

2.77

2.84

2.91

2.96

2.98

22

2.51

2.53

2.57

2.63

2.70

2.78

2.84

2.88

2.91

23

2.44

2.46

2.50

2.56

2.63

2.70

2.76

2.80

2.83

24

2.37

2.39

2.42

2.48

2.55

2.62

2.68

2.72

2.74

25

2.30

2.32

2.35

2.41

2.47

2.54

2.60

2.64

2.67

26

2.24

2.27

2.30

2.35

2.42

2.48

2.54

2.58

2.60

27

2.20

2.22

2.25

2.30

2.37

2.43

2.49

2.52

2.55

28

2.14

2.16

2.19

2.25

2.31

2.37

2.43

2.46

2.48

29

2.08

2.10

2.13

2.18

2.24

2.30

2.36

2.39

2.41

30

2.01

2.03

2.06

2.11

2.17

2.23

2.28

2.31

2.33

31

1.94

1.96

1.99

2.04

2.09

2.15

2.20

2.23

2.25

32

1.87

1.89

1.92

1.96

2.02

2.07

2.12

2.15

2.17

33

1.80

1.82

1.85

1.89

1.94

2.00

2.04

2.07

2.09

34

1.72

1.74

1.77

1.81

1.86

1.91

1.95

1.98

2.00

35

1.62

1.64

1.66

1.70

1.75

1.80

1.84

1.87

1.88

36

1.50

1.51

1.54

1.57

1.62

1.66

1.70

1.72

1.74

37

1.35

1.37

1.38

1.42

1.46

1.50

1.53

1.55

1.57

38

1.18

1.19

1.21

1.24

1.27

1.31

1.34

1.36

1.37

39

0.99

1.00

1.01

1.04

1.06

1.09

1.12

1.14

1.15

40

0.77

0.78

0.79

0.81

0.83

0.86

0.88

0.89

0.90