Biparietal Diameter (BPD)

                                  Romero R, Pilu G, Jeanty P et.al.

           Prenatal diagnosis of congenital anomalies 1988;Table 1-4:pg 10

                                    Norwalk: Appleton and Lange.

 

GA

(wks)

5th

Percentile

50th

Percentile

95th

Percentile

11

13

17

22

12

16

21

25

13

20

24

29

14

23

28

32

15

27

31

36

16

30

35

39

17

34

38

43

18

37

42

46

19

40

45

49

20

44

48

53

21

47

51

56

22

50

55

59

23

53

58

62

24

56

61

65

25

59

64

68

26

62

67

71

27

65

70

74

28

68

72

77

29

70

75

79

30

73

77

82

31

75

79

84

32

77

82

86

33

79

84

88

34

81

86

90

35

83

87

92

36

84

89

93

37

86

90

95

38

87

91

96

39

88

93

97

40

89

93

98

41

89

94

99

42

90

94

99