Impact Of Maternal Anthropometric Parameters, Physical Activity Level, And Psychological Stress On Cardiac Autonomic Activity During The Third Trimester Of Pregnancy.

[摘要] Various cardiovascular, metabolic adaptations takes place during pregnancy to sub serve the normalgrowth and development of fetus. Most of these physiologic mechanisms alter autonomic balance and mayincrease the risk of cardiovascular disease even during healthy pregnancy.Anthropometric measurements(body mass index, fat percentage, lean body mass), physical activity level, perceived stress level were assessedamong seventy-eight healthy pregnant women during their third trimester of pregnancy. The study alsoevaluated association of these parameters with cardiac autonomic function by assessment of restingheartrate variability. The analysis of the data showed that there is significant correlation of anthropometricparameters and psychological stress scores, with cardiovascular autonomic indices. Anthropometricparameters like body weight, body mass index and fat free mass showed significant positive correlation withHRV indices like LF nu and LF/HF ratio. Similarly, maternal psychological scores also significantly positivecorrelated withthese HRV indices. Further, both anthropometric parameters and psychological scoressignificantly positive correlated with systolic and diastolic blood pressure. Maternal body composition andpsychological stress state during third trimester of pregnancy significantly influences the cardiac autonomicactivity. Hence autonomic imbalance during later weeks of pregnancy may predispose the healthy women tofuture risk of cardiovascular disease.

[学科分类] 工程和技术（综合）

[关键词] Body composition;Pregnancy;Cardiac autonomic function;Maternal psychological stress