Development of fetal movement — fetal heart rate coupling from 20 weeks through term

DiPietro, Janet A.; Hodgson, Denice M.; Costigan, Kathleen A.; Hilton, Sterling C.; Johnson, Timothy R.B.

doi:10.1016/0378-3782(95)01704-6

Cited by 116 publications

(110 citation statements)

References 19 publications

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“…The number of small accelerations (change in FHR Z10 bpm above the baseline for at least 15 seconds) and other fetal heart indices were unchanged. This might be due to the sympathetic activity associated with fetal movement, 15 as we observed a significant association between the number of large accelerations and maternal appreciation of fetal movement ( p ¼ 0.003). However, in a previous report, we observed that maternal fasting and glucose levels had no effect on fetal tone or body movements.…”

Section: Discussionmentioning

confidence: 78%

The Effect of Intermittent Maternal Fasting on Computerized Fetal Heart Tracing

et al. 2004

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OBJECTIVE:To determine effects of maternal fasting on antepartum computerized fetal heart tracing analysis. STUDY DESIGN:This was a cross-sectional study of two groups of healthy pregnant women who were recruited, a fasting and a nonfasting control group. Each pregnant woman gave a blood sample, and had a computerized fetal heart tracing. RESULTS:A total of 124 pregnant women were studied. The mean hours since the last oral intake were significantly different between the two groups ( p ¼ 0.003). Fetuses of fasted mothers had fewer episodes of large acceleration compared to the controls ( p ¼ 0.001). This difference was significantly associated with maternal appreciation of fetal movement ( p ¼ 0.003). CONCLUSION:The number of large accelerations in computerized fetal heart tracing is decreased in pregnant women abstaining from food and water. Journal of Perinatology (2005) 25, 90-92.

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Section: Discussionmentioning

confidence: 78%

The Effect of Intermittent Maternal Fasting on Computerized Fetal Heart Tracing

et al. 2004

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“…over baseline within 5 s before the start of a movement or within 15 s after the start of a movement, consistent with previously developed criteria. 23 …”

Section: Methodsmentioning

confidence: 99%

Choroid plexus cysts do not affect fetal neurodevelopment

DiPietro

Costigan

Cristofalo³

et al. 2006

J Perinatol

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Objective: To determine whether an isolated finding of a choroid plexus cyst (CPC) during routine ultrasound is associated with altered fetal growth or development.Study design: Prospective, case-control study comparing 35 CPC cases to 67 controls. Neurobehavioral development assessment included 50 min long serial recordings of heart rate, motor activity and their interrelation at 24, 28, 32 and 36 weeks gestation. Growth measurement was based on three ultrasound evaluations of femur length, biparietal diameter, head circumference and abdominal circumference at initial exam, 28 and 36 weeks.Results: Longitudinal analyses revealed no differences in fetal heart rate, variability or accelerations; the number or duration of fetal movements or total motor activity; nor fetal movement-fetal heart rate coupling. CPC cases had slightly smaller head and abdominal circumferences at 28 weeks, but these differences had disappeared by 36 weeks. CPC detection was more common when routine exams were conducted earlier (18.8 versus 19.5 weeks; P<0.01). Conclusion:Despite the presumption that CPCs with normal karyotypes are benign variants, little empirical support exists. These results indicate that CPCs detected by prenatal ultrasound do not pose or reveal a threat to fetal development.

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“…Fetuses of pregnant women who report greater life stress have reduced parasympathetic and/or increased sympathetic activation as measured by reduced FHR variability. 33 Fetuses of highly stressed mothers, who also have a faster baseline heart rate, show reduced FHR variability and delayed maturation of the coupling between FHR and fetal movement, which is hypothesized to reflect a less mature CNS. 32 Elevated stress during pregnancy and, in particular, stress specific to being pregnant, has been shown to be associated with greater fetal reactivity, as assessed at three time points during gestation.…”

Section: Discussionmentioning

confidence: 99%

Effect of Maternal Stress on Fetal Heart Rate Assessed by Vibroacoustic Stimulation

Makino

Matsuda²,

Yoneyama³

et al. 2009

J Int Med Res

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This study was designed to determine whether maternal stress levels, state and trait anxiety levels, and stress hormones affect fetal heart rate (FHR) patterns after vibroacoustic stimulation (VAS) at 30 weeks of gestation. A total of 24 healthy pregnant women with a single fetus pregnancy were enrolled. Corticotropin releasing hormone (CRH) and adrenocorticotropic hormone in maternal plasma and cortisol, and chromogranin A in saliva were measured. The FHR patterns after VAS were divided into three types: type I, a long period of acceleration or one acceleration lasting > 1 min or at least two accelerations lasting > 15 s; type II, a biphasic response with acceleration followed by deceleration; and type III, no response or prolonged deceleration. In the high trait anxiety group, CRH levels were significantly higher than in the low trait anxiety group, and FHR patterns after VAS showed mostly a type II response pattern. These findings suggest that stress in pregnant women with high trait anxiety may influence FHR patterns after VAS.

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Development of fetal movement — fetal heart rate coupling from 20 weeks through term

Cited by 116 publications

References 19 publications

The Effect of Intermittent Maternal Fasting on Computerized Fetal Heart Tracing

The Effect of Intermittent Maternal Fasting on Computerized Fetal Heart Tracing

Choroid plexus cysts do not affect fetal neurodevelopment

Effect of Maternal Stress on Fetal Heart Rate Assessed by Vibroacoustic Stimulation

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