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Table 1 Patient demographics

From: Ultrasound angiology reference standards of fetal cerebroplacental flow in normal Egyptian gestation: statistical analysis of one thousand observations

 

Number of pregnant women

Maternal age

FHR

EFW

Placental grade

Placental thickness (cm)

13 W

10

18–40

154–177

42–64

I

1.0–2.0

14 W

10

25–37

153–164

64–85

I–II

1.5–3.0

15 W

10

23–40

143–165

96–127

I–II

1.9–2.9

16 W

10

24–42

143–162

121–174

I–II

1.7–3.1

17 W

10

18–35

144–191

135–193

I–II

2.0–3.0

18 W

10

22–31

146–159

225–235

I–II

2.5–3.1

19 W

10

24–34

148–158

263–408

I–II

2.0–3.5

20 W

11

16–35

123–157

294–362

I–II

1.7–3.1

21 W

10

25–38

146–154

412–556

II

2.2–3.1

22 W

10

24–28

152–161

453–549

II–III

2.5–3.4

23 W

10

23–34

139–161

533–617

II

2.2–4.0

24 W

10

20–33

149–158

631–741

II

2.0–4.0

25 W

9

25–29

157–164

765–810

II

3.2–3.5

26 W

10

20–32

141–153

563–1069

II–III

2.5–3.7

27 W

10

24–37

146–160

631–1284

II

2.4–4.0

28 W

10

22–34

138–155

1051–1509

II–III

2.2–4.4

29 W

10

26–33

137–165

1307–1449

II–III

3.0–4.2

30 W

10

24–41

142–157

1538–1604

II–III

2.9–3.9

31 W

10

27–30

136–161

1617–1828

II–III

3.0–3.9

32 W

9

20–33

141–161

1551–2464

II–III

3.0–4.5

33 W

10

23–35

149–151

2052–2201

III

2.6–3.5

34 W

15

20–27

138–160

2052–2706

II–III

2.8–5.2

35 W

22

23–30

120–140

2298–2810

II–III

3.1–4.2

36 W

32

17–32

123–144

2341–2700

III

2.9–3.9

37 W

49

20–35

120–150

2582–3203

III

2.8–4.0

38 W

49

19–36

124–147

2893–3320

III

3.0–4.1

39 W

30

22–34

125–148

2730–3429

III

3.1–4.3

40 W

22

23–37

130–149

2930–3481

III

3.3–4.5

  1. Patient demographics where maternal age, FHR, EFW, and placental grade and thickness are noted