Figure 4
From: Development of daily rhythmicity in heart rate and locomotor activity in the human fetus
ECG of the fetus in "quiet" hours (4 a.m. to 9 a.m.) 36–40 weeks gestation
Figure 4 | Journal of Circadian Rhythms
From: Development of daily rhythmicity in heart rate and locomotor activity in the human fetus
ECG of the fetus in "quiet" hours (4 a.m. to 9 a.m.) 36–40 weeks gestation