Table 3 Reference intervals for normal pregnant women in different stages of pregnancies

TC (mmol/L)

 Mean

3.36–5.69

4.02

4.19

4.67

5.12

5.66

6.03

6.33

6.38

6.60

 Lower limit

2.82 (2.68–3.01)

3.10 (2.88–3.25)

3.41 (3.28–3.62)

3.82 (3.46–4.05)

3.97 (3.15–4.25)

4.28 (3.78–4.56)

4.55 (4.14–4.77)

4.57 (4.46–4.66)

4.58 (4.28–4.98)

 Upper limit

5.25 (5.02–6.62)

5.30 (5.15–5.77)

6.08 (5.71–6.32)

6.86 (6.49–7.02)

7.40 (7.11–7.61)

8.15 (7.62–8.43)

8.10 (7.91–8.48)

8.42 (8.00–8.90)

9.23 (8.25–10.97)

 n%

14.2

5.8

4.2

20.0

45.0

60.0

70.8

69.2

75.8

TG (mmol/L)

 Median

0.40–1.69

0.72

1.06

1.43

1.73

2.02

2.28

2.63

2.98

3.23

 Lower limit

0.34 (0.33–0.40)

0.57 (0.44–0.64)

0.81 (0.75–0.88)

0.82 (0.68–1.03)

1.00 (0.94–1.10)

1.23 (1.15–1.32)

1.35 (1.29–1.58)

1.67 (1.59–1.90)

2.02 (1.56–2.14)

 Upper limit

2.16 (1.62–2.33)

2.30 (1.96–3.37)

3.08 (2.41–3.31)

3.99 (3.01–5.16)

4.28 (3.13–5.85)

4.86 (4.13–5.27)

5.76 (4.90–8.03)

6.46 (5.73–6.97)

6.27 (6.01–7.69)

 n%

6.7

5.0

30.0

50.8

63.3

79.2

88.3

95.0

97.5

HDL-C (mmol/L)

 Mean

1.00–2.10

1.45

1.63

1.81

1.93

2.04

2.10

2.04

1.98

2.03

 Lower limit

0.91 (0.73–0.98)

1.04 (0.86–1.10)

1.15 (0.94–1.26)

1.32 (1.14–1.35)

1.26 (1.19–1.35)

1.37 (1.06–1.49)

1.29 (1.08–1.51)

1.23 (0.85–1.36)

1.19 (0.94–1.37)

 Upper limit

2.28 (1.97–2.44)

2.38 (2.19–2.44)

2.56 (2.48–2.63)

2.62 (2.49–2.78)

2.64 (2.59–2.83)

2.68 (2.56–3.32)

2.69 (2.59–2.95)

2.71 (2.56–3.45)

2.95 (2.55–3.98)

 n%

5.8

6.7

15.0

39.0

41.7

52.5

43.3

35.0

37.5

LDL-C (mmol/L)

 Median

 < 3.37

2.17

2.15

2.41

2.62

3.00

3.31

3.63

3.59

3.59

 Upper limit

3.17 (3.03–4.41)

3.03 (2.74–3.12)

3.19 (3.13–3.63)

3.89 (3.61–4.23)

4.40 (4.10–4.49)

4.94 (4.42–5.40)

5.00 (4.87–5.18)

5.16 (4.85–5.56)

5.56 (5.08–6.05)

 n%

0.0

0.0

0.0

9.2

28.3

40.8

59.2

54.2

55.8

Apo-A1 ( g/L)

 Median

1.20–1.90

1.52

1.78

2.03

2.14

2.23

2.24

2.25

2.22

2.28

 Lower limit

1.00 (0.93–1.15)

1.28 (1.08–1.37)

1.38 (1.24–1.55)

1.60 (1.32–1.68)

1.61 (1.40–1.75)

1.73 (1.39–1.80)

1.68 (1.53–1.74)

1.63 (1.28–1.83)

1.82 (1.36–1.85)

 Upper limit

2.11 (1.87–2.24)

2.30 (2.12–2.33)

2.42 (2.37–2.49)

2.43 (2.39–2.62)

2.58 (2.55–2.84)

2.87 (2.71–2.99)

2.77 (2.61–3.50)

2.91 (2.69–3.10)

2.85 (2.64–3.00)

 n%

3.3

31.7

65.0

80.8

87.5

90.0

90.0

90.0

91.7

Apo-B ( g/L)

 Median

0.75–1.50

0.66

0.68

0.78

0.88

0.99

1.08

1.19

1.20

1.22

 Lower limit

0.40 (0.39–0.46)

0.44 (0.32–0.46)

0.48 (0.40–0.54)

0.53 (0.43–0.58)

0.61 (0.45–0.69)

0.64 (0.56–0.73)

0.74 (0.69–0.79)

0.78 (0.69–0.83)

0.78 (0.71–0.83)

 Upper limit

1.16 (0.99–1.41)

1.00 (0.92–1.22)

1.12 (1.08–1.32)

1.37 (1.29–1.42)

1.51 (1.39–1.61)

1.58 (1.52–1.81)

1.66 (1.64–1.75)

1.71 (1.67–1.98)

1.94 (1.63–2.22)

 n%

67.5

63.3

37.5

25.0

9.2

10.0

13.3

14.2

20.0

Urea (mmol/L)

 Median

2.60–7.50

2.99

2.53

2.50

2.51

2.60

2.67

2.66

2.68

2.94

 Lower limit

1.97 (1.79–2.08)

1.75 (0.60–1.81)

1.57 (1.31–1.75)

1.51 (1.18–1.63)

1.60 (1.34–1.89)

1.71 (1.51–1.97)

1.68 (1.59–1.79)

1.50 (1.35–1.77)

1.91 (1.89–2.04)

 Upper limit

4.73 (4.49–6.61)

3.83 (3.54–5.05)

4.11 (3.67–4.56)

4.04 (3.37–4.85)

3.87 (3.65–4.20)

4.55 (3.82–4.72)

3.98 (3.82–4.07)

4.29 (3.88–5.04)

4.77 (4.05–5.34)

 n%

25.0

52.5

58.3

56.7

48.3

39.2

43.3

43.3

29.2

Crea (μmol/L)

 Median

41.0–73.0

46.4

41.9

40.4

40.2

39.9

40.5

41.4

42.4

45.2

 Lower limit

37.1 (30.8–38.1)

33.2 (31.8–34.9)

32.1 (28.4–33.0)

30.0 (28.3–31.8)

28.3 (26.4–32.6)

30.3 (26.9–32.1)

28.1 (27.3–32.1)

29.3 (27.4–33.6)

34.4 (33.4–35.3)

 Upper limit

62.4 (58.8–64.0)

54.9 (52.8–57.0)

52.7 (50.4–56.0)

51.9 (50.2–54.8)

52.5 (49.2–64.9)

55.8 (52.7–63.2)

55.4 (52.5–61.7)

55.6 (52.7–63.5)

59.8 (57.4–63.7)

 n%

10.8

40.8

52.5

56.7

59.2

51.7

46.7

40.8

20.8

Cys-C ( mg/L)

 Median

0.59–1.03

0.75

0.70

0.71

0.76

0.79

0.86

0.94

1.08

1.25

 Lower limit

0.63 (0.57–0.64)

0.55 (049–0.57)

0.57 (0.51–0.61)

0.59 (0.56–0.62)

0.62 (0.58–0.64)

0.64 (0.60–0.67)

0.73 (0.69–0.75)

0.82 (0.77–0.85)

0.96 (0.88–0.97)

 Upper limit

0.95 (0.91–0.97)

0.86 (0.83–0.96)

0.88 (0.85–1.05)

0.95 (0.92–0.99)

1.03 (0.98–1.10)

1.07 (1.05–1.14)

1.33 (1.23–1.41)

1.68 (1.51–1.76)

1.72 (1.68–1.96)

n%

0.0

5.8

0.8

0.0

0.0

5.0

23.3

60.0

85.8

UA (μmol/L)

 Median

150–350

225

201

207

215

219

227

235

256

281

 Lower limit

145 (98–157)

133 (105–143)

141 (111–150)

141 (115–154)

150 (98–162)

142 (106–162)

145 (108–165)

161 (146–175)

167 (128–188)

 Upper limit

326 (320–343)

299 (277–315)

308 (273–327)

325 (306–375)

326 (299–338)

318 (309–408)

331 (321–363)

355 (343–412)

464 (406–525)

 n%

2.5

5.8

3.3

2.5

0.0

1.7

3.3

0.8

9.2

eGFR [mL/(min·1.73m²)]

 Median

80–120

127

132

134

134

135

134

133

132

129

 Lower limit

114 (112–116)

120 (119–122)

122 (117–124)

121 (119–123)

119 (112–124)

117 (115–121)

118 (117–121)

117 (115–120)

117 (109–118)

 Upper limit

142 (139–148)

144 (142–148)

147 (143–152)

148 (145–151)

153 (147–156)

152 (143–155)

154 (146–157)

149 (142–154)

144 (141–146)

 n%

83.3

95.8

95.0

95.8

95.0

94.2

96.2

93.3

90.0