There are no rest-activity dependent changes in fetal ductus arteriosus flow velocity patterns at 27-29 weeks of gestation.

[1]  J. Wladimiroff,et al.  Human fetal foramen ovale flow velocity waveforms relative to behavioral states in normal term pregnancy. , 1990, American journal of obstetrics and gynecology.

[2]  J. Wladimiroff,et al.  Human fetal ductal flow velocity waveforms relative to behavioral states in normal term pregnancy. , 1989, American journal of obstetrics and gynecology.

[3]  H. Prechtl,et al.  The blood flow velocity waveform in the fetal descending aorta; its relationship to fetal heart rate pattern, eye and body movements in normal pregnancy at 27-28 weeks of gestation. , 1988, Early human development.

[4]  H. Prechtl,et al.  The blood flow velocity waveform in the fetal internal carotid and umbilical artery; its relation to fetal behavioural states in normal pregnancy at 37–38 weeks , 1987, British Journal of Obstetrics and Gynaecology.

[5]  D. Arduini,et al.  The development of fetal behavioural states: A longitudinal study , 1986, Prenatal diagnosis.

[6]  H. Prechtl,et al.  The blood flow velocity waveform in the fetal descending aorta: its relationship to fetal behavioural states in normal pregnancy at 37-38 weeks. , 1985, Early human development.

[7]  G S Dawes,et al.  Baseline in human fetal heart‐rate records , 1982, British journal of obstetrics and gynaecology.

[8]  H. Prechtl,et al.  Are there behavioural states in the human fetus? , 1982, Early human development.

[9]  G S Dawes,et al.  NUMERICAL ANALYSIS OF THE NORMAL HUMAN ANTENATAL FETAL HEART RATE , 1981, British journal of obstetrics and gynaecology.

[10]  G. J. Kloosterman.  On Intrauterine Growth , 1970 .

[11]  W. Hop,et al.  Doppler flow velocity waveforms in the fetal cardiac outflow tract: reproducibility of waveform recording and analysis. , 1991, Ultrasound in medicine & biology.