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The association between fetal and maternal sleep patterns in third-trimester pregnancies
J Worth1, C I Onyeije, A Ferber
1Department of Obstetrics and Gynecology, Lenox Hill Hospital, New York, NY 10021, USA.
American Journal of Obstetrics and Gynecology
|May 17, 2002
Summary
Fetal activity during sleep is linked to maternal wakefulness, potentially explaining third-trimester sleep disturbances. This study explored fetal heart rate and maternal EEG patterns during overnight sleep.
Area of Science:
- Perinatal Medicine
- Sleep Science
- Neuroscience
Background:
- Maternal sleep disturbances are common in late pregnancy.
- The relationship between fetal activity and maternal sleep quality is not well understood.
Purpose of the Study:
- To investigate the association between fetal heart rate patterns and maternal electroencephalogram (EEG) during overnight sleep.
- To explore the connection between fetal sleep states and maternal sleep quality.
Main Methods:
- Prospective data collection from singleton pregnancies.
- Maternal sleep quality assessed using a sleep disturbance score (0-110).
- Overnight monitoring of fetal heart rate and maternal EEG in a subgroup of 11 patients.
Main Results:
- A significant correlation was found between active fetal sleep and maternal wakefulness in 6 patients.
- Patients exhibiting this correlation had a significantly higher mean sleep disturbance score (P = .04).
- Maternal age was the only variable correlating with the sleep disturbance score.
Conclusions:
- An association between fetal activity and maternal wakefulness during sleep is established.
- This association may explain frequent maternal awakenings in the third trimester.
- Highlights the bidirectional relationship between maternal and fetal states during sleep.
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