Table 4 Extrauterine measurements and myometrial thickness at different uterine sites by chronological age of nulliparous women.

From: Assessment of key parameters of normal uterus in women of reproductive age

Parameters

Age (years) (nulliparous)

Pearson line correlation

-20 (N = 11)

21–25 (N = 49)

26–30 (N = 85)

31–35 (N = 36)

36–40 (N = 7)

P-value

r

Extrauterine measurements (mm)

 Body L

43.27 ± 4.73

45.00 ± 5.77

43.94 ± 4.81

45.28 ± 5.53

46.00 ± 4.69

0.247

0.085

 Body Td

42.36 ± 7.57

43.02 ± 4.99

42.81 ± 5.18

43.94 ± 5.93

44.86 ± 5.64

0.296

0.077

 Body Ad

34.09 ± 4.68

35.24 ± 5.00

35.76 ± 4.74

37.08 ± 5.77

38.14 ± 3.85

0.061

0.137

 Cervical L

30.73 ± 3.47

30.45 ± 3.99

30.65 ± 3.24

31.28 ± 3.32

32.43 ± 2.51

0.104

0.119

 Depth of Uc

33.27 ± 4.21

34.69 ± 4.99

33.78 ± 4.40

34.68 ± 4.39

35.37 ± 3.71

0.485

0.051

Myometrial thickness (mm)

 Fundal wall

10.00 ± 1.98

10.31 ± 2.42

10.16 ± 2.14

10.60 ± 2.35

10.63 ± 1.60

0.235

0.087

 Mid-anterior wall

10.04 ± 2.42

11.47 ± 2.41

12.26 ± 2.53

13.65 ± 3.14

12.73 ± 1.83

 < 0.001

0.271

 Mid-side wall

11.76 ± 3.71

12.30 ± 1.97

12.33 ± 2.01

12.32 ± 1.99

11.73 ± 1.64

0.788

0.020

 Anterior lower segment

6.25 ± 1.20

7.31 ± 1.43

7.76 ± 1.63

8.54 ± 1.99

8.84 ± 1.52

 < 0.001

0.318

 Lower side wall

7.05 ± 1.51

7.52 ± 1.45

8.07 ± 1.70

8.79 ± 2.36

8.54 ± 1.64

 < 0.001

0.264

 Left cornua uteri

3.45 ± 0.51

3.65 ± 0.68

3.61 ± 0.48

3.74 ± 0.56

3.61 ± 0.59

0.893

− 0.010

 Right cornua uteri

3.52 ± 0.32

3.64 ± 0.69

3.61 ± 0.48

3.74 ± 0.51

3.61 ± 0.60

0.999

− 0.010

  1. N, number of subjects BMI, body mass index.