From: Development of daily rhythmicity in heart rate and locomotor activity in the human fetus
Time of day (h) | Mother (bpm) | Fetus (bpm) |
---|---|---|
7 – 8 | 66.5 ± 1.3 * | 133 ± 1.9 ** |
8 – 9 | 68 ± 1.2 * | 133 ± 2.1 ** |
9 – 10 | 68.5 ± 1.3 ** | 132 ± 2.0 ** |
10 – 11 | 72 ± 1.4 ** | 136 ± 2.1 ** |
11 – 12 | 76 ± 1.4 ** | 135 ± 2.3 ** |
12 – 13 | 79 ± 1.3 * | 136 ± 2.3 ** |
13 – 14 | 79 ± 1.2 * | 134 ± 1.9 * |
14 – 15 | 75 ± 1.2 * | 136 ± 2.1 ** |
15 – 16 | 76 ± 1.1 * | 133 ± 2.3 * |
16 – 17 | 76 ± 1.1 * | 132 ± 1.8 ** |
17 – 18 | 76.5 ± 1.2 * | 133 ± 2.2 ** |
18 – 19 | 79 ± 1.0 * | 135 ± 1.8 ** |
19 – 20 | 71 ± 1.1 * | 131 ± 1.8 * |
20 – 21 | 72 ± 1.1 ** | 133 ± 2.0 * |
21 – 22 | 69 ± 1.2 * | 135 ± 1.9 ** |
22 – 23 | 70 ± 1.1 * | 134 ± 1.8 ** |
23 – 24 | 65 ± 1.0 * | 136.5 ± 2.0 ** |
24 – 1 | 64 ± 1.2 * | 138.5 ± 1.9 * |
1 – 2 | 65 ± 1.1 * | 138.5 ± 2.2 * |
2 – 3 | 61 ± 1.2 * | 133.5 ± 1.9 ** |
3 – 4 | 64 ± 1.1 * | 136 ± 1.8 ** |
4 – 5 | 62 ± 1.1 * | 132 ± 1.9 ** |
5 – 6 | 66.5 ± 1.1 * | 133 ± 2.1 ** |
6 – 7 | 68 ± 1.0 * | 134 ± 2.2 ** |