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ORIGINAL ARTICLE Table of Contents   
Year : 2022  |  Volume : 15  |  Issue : 3  |  Page : 240-245
Immediate effect of Pranava Pranayama on fetal and maternal cardiovascular parameters


1 School of Yoga Therapy, Institute of Salutogenesis and Complementary Medicine, Sri Balaji Vidyapeeth, Puducherry, India
2 Department of Obstetrics and Gynaecology, MGMCRI, Sri Balaji Vidyapeeth, Puducherry, India

Correspondence Address:
Ananda Balayogi Bhavanani
Institute of Salutogenesis and Complementary Medicine, Sri Balaji Vidyapeeth, Pillayarkuppam, Puducherry - 607 402
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijoy.ijoy_151_22

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Introduction: Maternal stress responses play an important role in the etiology of fetal and maternal disorders other than biomedical risks. The surge of emergency evidence that yoga as adjuvant therapy can have significant beneficial effects in the prenatal period and in the fetus. Aim: The aim of this study was to evaluate the immediate effect of Pranava Pranayama on maternal and fetal cardiovascular parameters. Materials and Methods: Three-way cross-over study was done on 3 consecutive days in 60 pregnant women (3rd trimester) with 10 min of breath awareness, listening to OM, and performing Pranava Pranayama. Maternal heart rate (MHR) and systolic and diastolic pressures were measured before and after each session, and cardiovascular indices were derived with formulae. Fetal heart rate (FHR) was obtained from nonstress test tracing. Data were assessed using GraphPad InStat version 3.06. Student's t-test was used for intragroup comparisons while repeated measured ANOVA with Tukey–Kramer multiple comparison tests were done for intergroup comparison. Results: Significant changes (P < 0.001) were found in MHR and FHR immediately after all three interventions. Delta% changes showed the greatest fall in MHR (P = 0.03) after Pranava as compared to the other two while in FHR, both OM group and Pranava were significant (P < 0.001). Conclusion: There were significant changes found in MHR, FHR, and cardiovascular responses rate-pressure product and double product after a single session of intervention. Yogic breathing techniques Pranava may enhance cardiovascular hemodynamics of the maternal–fetal unit. Reduction in maternal and fetal cardiovascular parameters attributed to reduced sympathetic activity coupled with enhanced vagal parasympathetic tone. Such changes in cardiac autonomic status may enhance placental circulation and lead to healthier fetal development.


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