Table 2.
Heart rate percentile reference table is shown
| Post-menstrual age | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gestational age | HR percentile | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 |
| 23 | 5th | 135 | 139 | 139 | 140 | 140 | 141 | 141 | 139 | 137 | 137 | 139 | 139 | 136 | 133 | 130 | 129 |
| 95th | 177 | 179 | 180 | 180 | 181 | 180 | 181 | 184 | 183 | 182 | 186 | 185 | 187 | 188 | 187 | 189 | |
| 24 | 5th | 139 | 140 | 141 | 141 | 141 | 138 | 138 | 138 | 137 | 135 | 135 | 132 | 133 | 131 | 130 | |
| 95th | 175 | 181 | 181 | 181 | 183 | 182 | 182 | 184 | 185 | 184 | 184 | 185 | 186 | 184 | 185 | ||
| 25 | 5th | 137 | 142 | 141 | 141 | 138 | 136 | 137 | 138 | 135 | 137 | 135 | 132 | 132 | 131 | ||
| 95th | 176 | 180 | 180 | 181 | 181 | 181 | 181 | 182 | 184 | 184 | 184 | 184 | 182 | 182 | |||
| 26 | 5th | 134 | 143 | 143 | 137 | 140 | 137 | 137 | 139 | 139 | 135 | 135 | 134 | 127 | |||
| 95th | 176 | 182 | 183 | 181 | 181 | 183 | 184 | 184 | 183 | 182 | 182 | 184 | 182 | ||||
| 27 | 5th | 134 | 143 | 144 | 141 | 139 | 140 | 138 | 135 | 134 | 131 | 131 | 124 | ||||
| 95th | 178 | 182 | 184 | 182 | 183 | 184 | 183 | 184 | 185 | 183 | 184 | 184 | |||||
| 28 | 5th | 131 | 140 | 141 | 142 | 140 | 140 | 138 | 136 | 133 | 128 | 125 | |||||
| 95th | 176 | 184 | 184 | 184 | 185 | 185 | 185 | 186 | 185 | 184 | 183 | ||||||
| 29 | 5th | 130 | 141 | 142 | 141 | 143 | 142 | 139 | 137 | 136 | 134 | ||||||
| 95th | 177 | 182 | 182 | 183 | 185 | 185 | 186 | 186 | 185 | 185 | |||||||
| 30 | 5th | 126 | 135 | 137 | 139 | 140 | 135 | 134 | 132 | 128 | |||||||
| 95th | 176 | 179 | 180 | 182 | 184 | 184 | 183 | 176 | 172 | ||||||||
| 31 | 5th | 123 | 134 | 137 | 139 | 135 | 130 | 126 | 113 | ||||||||
| 95th | 176 | 180 | 182 | 185 | 186 | 185 | 188 | 185 | |||||||||
| 32 | 5th | 123 | 133 | 136 | 135 | 133 | 130 | 127 | |||||||||
| 95th | 175 | 178 | 182 | 183 | 185 | 184 | 178 | ||||||||||
| 33 | 5th | 119 | 130 | 133 | 133 | 132 | 131 | ||||||||||
| 95th | 172 | 179 | 184 | 186 | 185 | 182 | |||||||||||
| 34 | 5th | 117 | 127 | 128 | 128 | 129 | |||||||||||
| 95th | 172 | 179 | 183 | 184 | 185 | ||||||||||||
Gestational age and post-menstrual age are shown in weeks.