Table 4 Age-standardized means, standard deviations (SDs), and selected percentiles of gestational weight gain in normal weight women who delivered at the Fujian Provincial Maternity and Children’s Hospital between January 2013 and November 2019

7

-7.91

-6.82

-5.19

0.61

6.41

8.04

9.13

8

-7.58

-6.49

-4.86

0.94

6.74

8.37

9.46

9

-7.25

-6.16

-4.53

1.27

7.07

8.70

9.79

10

-6.91

-5.82

-4.19

1.61

7.41

9.04

10.13

11

-6.58

-5.49

-3.86

1.94

7.74

9.37

10.46

12

-6.23

-5.14

-3.51

2.29

8.09

9.72

10.81

13

-5.86

-4.77

-3.14

2.66

8.46

10.09

11.18

14

-5.61

-4.52

-2.89

2.91

8.71

10.34

11.43

15

-5.50

-4.41

-2.78

3.02

8.82

10.45

11.54

16

-5.29

-4.20

-2.57

3.23

9.03

10.66

11.75

17

-4.94

-3.85

-2.22

3.58

9.38

11.01

12.10

18

-4.42

-3.33

-1.70

4.10

9.90

11.53

12.62

19

-3.69

-2.60

-0.97

4.83

10.63

12.26

13.35

20

-2.77

-1.68

-0.04

5.77

11.58

13.22

14.31

21

-1.67

-0.58

1.06

6.87

12.68

14.32

15.41

22

-0.50

0.59

2.23

8.04

13.85

15.49

16.58

23

0.64

1.73

3.37

9.19

15.01

16.65

17.74

24

1.64

2.74

4.38

10.23

16.08

17.72

18.82

25

2.46

3.56

5.21

11.09

16.97

18.62

19.72

26

3.02

4.13

5.80

11.71

17.62

19.29

20.40

27

3.39

4.51

6.19

12.15

18.11

19.79

20.91

28

3.66

4.79

6.49

12.53

18.57

20.27

21.40

29

3.93

5.08

6.81

12.95

19.09

20.82

21.97

30

4.28

5.46

7.23

13.51

19.79

21.56

22.74

31

4.79

6.00

7.82

14.28

20.74

22.56

23.77

32

5.37

6.62

8.50

15.18

21.86

23.74

24.99

33

5.87

7.18

9.14

16.10

23.06

25.02

26.33

34

6.21

7.58

9.63

16.93

24.23

26.28

27.65

35

6.28

7.72

9.89

17.58

25.27

27.44

28.88

36

6.13

7.66

9.95

18.09

26.23

28.52

30.05

37

5.86

7.48

9.90

18.53

27.16

29.58

31.20

38

5.52

7.23

9.81

18.96

28.11

30.69

32.40

39

5.16

6.98

9.70

19.39

29.08

31.80

33.62