Table 8. Growth chart for fetal abdominal circumference.
Gestational Age (Weeks) | Abdominal Circumference (mm) by Percentile | ||||||||
---|---|---|---|---|---|---|---|---|---|
2.5 | 5 | 10 | 25 | 50 | 75 | 90 | 95 | 97.5 | |
14 | 69 | 71 | 73 | 77 | 81 | 86 | 89 | 92 | 95 |
15 | 79 | 81 | 83 | 87 | 92 | 96 | 100 | 103 | 106 |
16 | 89 | 91 | 93 | 98 | 103 | 108 | 112 | 115 | 118 |
17 | 99 | 102 | 104 | 109 | 114 | 119 | 124 | 127 | 130 |
18 | 110 | 113 | 116 | 121 | 126 | 131 | 136 | 139 | 142 |
19 | 121 | 124 | 127 | 132 | 138 | 143 | 148 | 152 | 155 |
20 | 132 | 136 | 139 | 144 | 150 | 155 | 161 | 164 | 167 |
21 | 143 | 147 | 150 | 156 | 162 | 168 | 173 | 177 | 180 |
22 | 154 | 159 | 162 | 167 | 173 | 180 | 186 | 189 | 193 |
23 | 165 | 170 | 173 | 179 | 185 | 192 | 198 | 202 | 205 |
24 | 176 | 181 | 184 | 190 | 197 | 203 | 210 | 214 | 217 |
25 | 186 | 191 | 195 | 201 | 208 | 215 | 222 | 226 | 229 |
26 | 196 | 201 | 205 | 212 | 219 | 226 | 233 | 238 | 241 |
27 | 206 | 211 | 215 | 222 | 230 | 237 | 245 | 249 | 253 |
28 | 215 | 220 | 225 | 232 | 240 | 248 | 256 | 260 | 264 |
29 | 224 | 229 | 234 | 242 | 250 | 258 | 266 | 271 | 276 |
30 | 233 | 238 | 243 | 251 | 260 | 269 | 277 | 282 | 287 |
31 | 241 | 246 | 252 | 260 | 269 | 279 | 287 | 292 | 298 |
32 | 249 | 254 | 260 | 269 | 279 | 288 | 298 | 303 | 308 |
33 | 257 | 262 | 269 | 278 | 288 | 298 | 308 | 313 | 319 |
34 | 265 | 270 | 277 | 287 | 298 | 308 | 318 | 324 | 330 |
35 | 273 | 279 | 286 | 297 | 307 | 318 | 329 | 335 | 342 |
36 | 282 | 287 | 294 | 306 | 317 | 329 | 340 | 346 | 353 |
37 | 290 | 296 | 304 | 316 | 328 | 340 | 352 | 358 | 365 |
38 | 299 | 306 | 313 | 326 | 338 | 351 | 364 | 371 | 378 |
39 | 309 | 316 | 324 | 337 | 350 | 363 | 377 | 384 | 392 |
40 | 319 | 327 | 335 | 349 | 363 | 377 | 391 | 399 | 406 |