Table 2

ECG and locomotor activity of the fetus in "quiet" hours (4 a.m. to 9 a.m., 2 p.m. to 7 p.m.) (36 – 40 weeks gestation)
Time (h)
 Type
 Duration
 Time (h)
 Duration





Oscillation type
 Fetal movements
 Recording
Oscillation type
 Fetal movements
 Recording





Min.
 Sec.
 Min.
 Sec.
 Min.
Min.
 Sec.
 Min.
 Sec.
 Min.
4–5
 I
 -
 20 ± 0.2
 -
 -
 54 ± 0.3
 14–15
 -
 10 ± 0.2
 -
 -
 40 ± 0.4

II
 16 ± 0.3
 -
 -
 50 ± 0

3 ± 0.4
 -
 -
 50 ± 0.1

III
 20 ± 0.2
 -
 -
 -

30 ± 0.4
 -
 -
 -

IV
 18 ± 0.2
 -
 -
 -

7 ± 0.1
 -
 -
 -
5–6
 I
 -
 -
 1 ± 0.1
 -
 46 ± 0.2
 15–16
 1 ± 0.2
 -
 -
 -
 54 ± 0.3

II
 7 ± 0.4
 -
 -
 -

7 ± 0.2
 -
 2 ± 0.1
 -

III
 30 ± 0.3
 -
 -
 -

24 ± 0.1
 -
 -
 -

IV
 9 ± 0.3
 -
 -
 -

21 ± 0.2
 -
 -
 -
6–7
 I
 -
 30 ± 0.2
 -
 -
 59 ± 0.2
 16–17
 -
 20 ± 0.3
 -
 -
 45 ± 0.1

II
 18 ± 0.1
 -
 1
 30 ± 0.3

12 ± 0.1
 -
 1 ± 0.3
 -

III
 26 ± 0.1
 -
 -
 -

21 ± 0.1
 -
 -
 -

IV
 15 ± 0.2
-
 -

11 ± 0.1
 -
 -
 -
7–8
 I
 -
 50 ± 0.1
 -
 -
 50 ± 0.5
 17–18
 -
 20 ± 0.1
 -
 -
 45 ± 0.3

II
 12 ± 0.4
 -
 -
 -

8 ± 0.2
 -
 1
 50 ± 0.1

III
 22 ± 0.4
 -
 1
 5 ± 0.1

20 ± 0.1
 -
 -
 -

IV
 15 ± 0.3
 -
 -
 -

16 ± 0.1
 -
 -
 -
8–9
 I
 -
 20 ± 0.1
 -
 -
 40 ± 0.2
 18–19
 -
 10 ± 0.1
 -
 -
 42 ± 0.1

II
 -
 -
 -
 50 ± 0.1

4 ± 0.3
 -
 -
 40 ± 0.2

III
 28 ± 0.3
 -
 -
 -

25 ± 0.2
 -
 -
 -

IV
 12 ± 0.3
 -
 -
 -

12 ± 0.3
 -
 -
 -

Kintraia et al. Journal of Circadian Rhythms 2005 3:5   doi:10.1186/1740-3391-3-5