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Table 3 Birth weight for boys and girls by gestational age in weeks

From: Reference curves of birth weight, length, and head circumference for gestational ages in Yogyakarta, Indonesia

GA (w) No of cases Mean (g) SD Birth weight Percentiles (g)
P3 P5 P10 P25 P50 P75 P90 P95 P97
Boys
26 55 768.1 170.2 500 500 506 600 750 900 1000 1060 1103
27 39 866.6 152.8 520 600 700 750 850 1000 1100 1100 1100
28 50 968.7 152.9 600 600 800 900 1000 1050 1100 1168 1289
29 52 1057 157.0 600 750 900 1000 1085 1130 1235 1331 1412
30 70 1246 202.3 820 950 1000 1100 1205 1400 1547 1623 1667
31 89 1409 282.3 1050 1063 1100 1200 1380 1525 1700 2025 2318
32 223 1705 377.4 1172 1200 1300 1450 1650 1900 2192 2500 2600
33 258 1750 442.7 1200 1200 1250 1400 1700 2000 2219 2562 2837
34 473 1917 407.1 1200 1350 1400 1650 1900 2200 2400 2600 2939
35 541 2035 378.5 1350 1400 1552 1800 2000 2250 2400 2595 2787
36 868 2382 430.7 1650 1750 1900 2100 2350 2550 3000 3216 3400
37 1576 2643 427.1 1800 1999 2150 2450 2600 2900 3200 3400 3500
38 3799 2862 404.8 2100 2200 2400 2600 2800 3100 3400 3550 3700
39 6915 3069 382.3 2310 2496 2600 2850 3050 3300 3500 3700 3800
40 8755 3184 410.5 2414 2540 2700 2950 3180 3400 3700 3900 4000
41 3812 3358 445.0 2500 2600 2800 3100 3400 3650 3900 4000 4200
42 1537 3295 463.5 2500 2600 2800 3000 3250 3500 3950 4182 4300
Girls
26 48 680.8 134.8 500 500 500 600 650 767 900 967 991
27 41 844.3 156.2 600 609 700 770 800 900 1040 1100 1396
28 59 945.3 119.2 600 700 800 900 1000 1000 1100 1100 1166
29 42 1023 109.6 765 800 900 994 1000 1100 1141 1193 1271
30 49 1151 230.2 675 760 850 1000 1100 1300 1500 1575 1665
31 74 1374 294.1 825 975 1100 1200 1340 1500 1725 2050 2200
32 171 1711 441.3 1100 1150 1200 1400 1600 1900 2480 2608 2700
33 211 1692 406.2 1200 1200 1250 1400 1600 1850 2200 2520 2800
34 392 1862 386.5 1200 1250 1400 1568 1875 2100 2300 2400 2500
35 515 2046 386.3 1400 1500 1600 1800 2000 2250 2400 2600 2890
36 812 2335 436.8 1500 1700 1823 2100 2300 2500 2900 3200 3300
37 1384 2589 397.0 1800 1925 2145 2400 2500 2800 3100 3300 3400
38 3318 2800 375.1 2100 2200 2400 2600 2800 3000 3250 3450 3600
39 6065 2997 371.3 2300 2400 2600 2750 3000 3200 3450 3600 3700
40 7607 3099 393.6 2400 2500 2600 2850 3100 3350 3560 3750 3900
41 3254 3259 447.4 2400 2500 2700 3000 3300 3550 3800 4000 4050
42 1445 3208 447.3 2400 2500 2700 2900 3200 3500 3800 4000 4200
  1. GA Gestational Age; SD Standard Deviation; P Percentiles; g gram; w week