期刊
DEVELOPMENTAL PSYCHOBIOLOGY
卷 63, 期 5, 页码 945-959出版社
WILEY
DOI: 10.1002/dev.22118
关键词
fetal heart rate; fetus; maternal‐ fetal interaction; polysomnography; prenatal development; sleep
资金
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) [R01 HD079411]
The study found that there were both similarities and differences in heart rate patterns between pregnant women and their fetuses. Both fetal and maternal heart rates decreased during the night, with a steeper decline before 01:00. Fetal heart rate decreased when the mother fell asleep, but was not significantly associated with maternal sleep stages.
Despite prolonged and cumulative exposure during gestation, little is known about the fetal response to maternal sleep. Eighty-four pregnant women with obesity (based on pre-pregnancy BMI) participated in laboratory-based polysomnography (PSG) with continuous fetal electrocardiogram monitoring at 36 weeks gestation. Multilevel modeling revealed both correspondence and lack of it in maternal and fetal heart rate patterns. Fetal heart rate (fHR) and variability (fHRV), and maternal heart rate (mHR) and variability (mHRV), all declined during the night, with steeper rates of decline prior to 01:00. fHR declined upon maternal sleep onset but was not otherwise associated with maternal sleep stage; fHRV differed during maternal REM and NREM. There was frequent maternal waking after sleep onset (WASO) and fHRV and mHRV were elevated during these episodes. Cross-correlation analyses revealed little temporal coupling between maternal and fetal heart rate, except during WASO, suggesting that any observed associations in maternal and fetal heart rates during sleep are the result of other physiological processes. Implications of the maternal sleep context for the developing fetus are discussed, including the potential consequences of the typical sleep fragmentation that accompanies pregnancy.
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