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Table 4 Birthweight percentiles of supertwins (kg)

From: Reference birthweight range for multiple birth neonates in Japan

gestational age (weeks)

triplets

quadruplets

 

male

female

male

female

 

10th

50th

90th

10th

50th

90th

10th

50th

90th

10th

50th

90th

27

0.860

1.092

1.143

0.672

0.909

1.079

0.782

0.916

0.982

0.589

0.812

1.025

28

0.882

1.163

1.274

0.784

1.024

1.186

0.839

0.990

1.149

0.730

0.950

1.151

29

0.938

1.252

1.418

0.884

1.145

1.317

0.903

1.088

1.318

0.860

1.087

1.278

30

1.021

1.357

1.571

0.977

1.270

1.467

0.977

1.203

1.483

0.981

1.221

1.405

31

1.125

1.474

1.730

1.067

1.398

1.630

1.060

1.329

1.636

1.100

1.353

1.533

32

1.244

1.601

1.892

1.157

1.528

1.802

1.153

1.459

1.771

1.219

1.483

1.662

33

1.370

1.734

2.056

1.252

1.660

1.977

1.258

1.587

1.882

1.342

1.611

1.791

34

1.497

1.871

2.216

1.355

1.792

2.151

1.373

1.706

1.961

1.475

1.736

1.921

35

1.619

2.008

2.372

1.471

1.924

2.318

      

36

1.729

2.144

2.520

1.604

2.055

2.474

      

37

1.820

2.274

2.656

1.758

2.183

2.613

      

38

1.886

2.396

2.779

1.937

2.309

2.730

      

39

1.920

2.506

2.885

2.144

2.430

2.821