Table 2 Fetoplacental biometry at 28 dpc for the first generation

Fetal weight (g)

41

68

38.5 [36.0; 41.7]

34.45 [31.1; 37.8]

−1.895

[−5.362;1.571]

0.307

Crown-rump length (cm)

41

68

12.0 [11.6; 12.5]

11.7 [11.1; 12.1]

−0.107

[−0.494;0.28]

0.596

Biparietal diameter (mm)

41

66

17.9 [17.5; 18.2]

17.2 [16.3; 17.8]

−0.697

[−1.649;0.256]

0.178

Head length (mm)

41

66

29.5 [28.7; 30.2]

28.4 [27.4; 29]

−1.293

[−2.301;-0.2285]

0.029*

Abdominal perimeter (cm)

41

67

7.5 [7.3; 8.0]

7.2 [6.8; 7.5]

−0.529

[−1.058;0]

0.076

Brain weight (g)

40

68

0.92 [0.88; 0.96]

0.93 [0.86; 0.96]

0.011

[−0.055;0.077]

0.746

Brain/Fetus weight ratio

40

68

0.025 [0.023; 0.028]

0.027 [0.025; 0.030]

0.002

[−0.001;0.004]

0.241

Lung/Fetus weight ratio

39

66

0.029 [0.027; 0.031]

0.030 [0.028; 0.032]

0

[−0.001;0.002]

0.570

Heart/Fetus weight ratio

41

68

0.006 [0.005; 0.006]

0.005 [0.005; 0.006]

0

[0;0.001]

0.662

Liver/Fetus weight ratio

41

68

0.066 [0.063; 0.072]

0.068 [0.062; 0.071]

−0.002

[−0.007;0.003]

0.514

Kidney/Fetus weight ratio

39

64

0.0006 [0.0006; 0.0007]

0.0006 [0.0005; 0.0007]

0

[0;0]

0.999

Placental weight (g)

41

68

7.32 [6.64; 8.43]

7.51 [6.83; 8.57]

0.153

[−0.794;1.1]

0.756

Labyrinthine area weight (g)

41

66

5.03 [4.41; 5.92]

4.99 [4.34; 6.05]

−0.17

[−1.003;0.663]

0.695

Decidual weight (g)

41

66

2.16 [1.98; 2.56]

2.51 [2.14; 2.96]

0.307

[−0.164;0.778]

0.226

Placental efficiency

41

68

5.29 [4.65; 5.51]

4.64 [3.92; 5.00]

−0.63

[−1.187;-0.074]

0.049*