Pre-eclampsia (PE) is a disorder of pregnancy characterized by abnormally high blood pressure and often a significant amount of protein in the urine.
Yoga, the ancient practical technique for harmonized external and internal body well beings, through breath control, meditation, bodily movement, and gesture..... has been best known for people in the Western world and some parts in Asia due to health benefits reported by various respectable institutes' research and supported by health advocates.
In the review literature published electronic database, PubMed, studies met the criteria and guideline selected included 54 citations in eight studies (10 reports) in the final analysis, after taking into account of other risk factors, researchers found that prenatal yoga displayed a significant effect in the improvement of many aspects including pre-eclampsia in healthy women in 4 studies in compared to control.
Further differentiation also suggested that high-risk pregnant women with morbidity factors such as obesity or advanced age, participated in yoga lesson were found to induce significantly fewer cases of pregnancy-induced hypertension, gestational diabetes, and intrauterine growth restriction, as well as a decrease in perceived stress levels in compared to control
Indeed, yoga class focused on poses, breathing exercises, meditation, visualization, guided imagery, and deep relaxation not only reduced psychological stress caused by previous pregnancy and various reasons in induction of nervous tension to precipitate hormone imbalance, particularly in keeping in check of Ang-(1-7), angiotensin I, angiotensin II and renin hormone which played a critical role in expression of high blood pressure in pregnancy but also improved blood circulation into the cervical region to provide necessary nutrients and oxygen for the fetus to growth normally.
Additionally, yoga lessons also brought back the rest with an awareness of presence, while letting them go or solved them in a positive way.
Moreover, yoga breathing, meditation in reduced stress also normalized the heart rate which has a strong implication in improved blood pressure and enhanced daily energy for a happy pregnancy outcome.
Interestingly, the study to examine the effect of stretching exercise in autonomic cardiac response, and the development of preeclampsia, conducted by the school of nursing at the University of North Carolina at Chapel Hill of total of 124 women randomized to either stretching (n=60) or walking (n=64), after taking into other co-founders, found that yoga stretching may be used as a physiologic framework for possible beneficial effects in enhancing autonomic responses on reducing risks for preeclampsia as fewer cases of high blood pressure were observed in women participated in the yoga class in compared to control.
Promisingly, in a randomized clinical trial of the effects of the two types of physical exercises was conducted between November 2001 and July 2006 in Washtenaw County, Michigan with participants assigned to either the walking group (n = 41) or the stretching group (n = 38). walkers exercised an average of 36 (SD, 6) minutes at 18 weeks gestation, 34 (SD, 7) minutes at 28 weeks gestation, and 31 (SD, 12) minutes at the last week of the intervention, within target heart rate ranges 35% (SD, 32%) at 18 weeks gestation, 22% (SD, 25%) at 28 weeks gestation, and 17% (SD, 25%) at the last week of the intervention, researchers showed that at 20 weeks gestation and 4,848 (SE, 452) steps at 34 weeks gestation (p 0.05), the prevalence of preeclampsia risk of yoga group with stretched exercise was 2.6% in compared to 14.6% among the walkers.
However, observation, after taking into account of other confounders and including means of all gestation periods, the incidence of gestational hypertension, was 22 % for the walkers and 40% for the stretchers with no significant differences in birth outcomes of both groups.
The decreased incidence of preeclampsia in the yoga group was found to associate with increased antioxidant activity in reduced risk inflammatory expression in elevated risk high blood pressure caused by oxidative stress induced by lipid hydroperoxide production.
With all the information collected, Dr. Yeo S, the led researchers said: " Regular stretching exercises may promote endogenous antioxidants among women at risk for preeclampsia."
The findings suggested that yoga intervention as an integrated form of stretched exercise may have a positive and profound effect on the reduced onset of preeclampsia, particularly in women in a group of a high risk pregnancy.
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Author Biography
Kyle J. Norton (Scholar, Master of Nutrition, All right reserved)
Health article writer and researcher; Over 10.000 articles and research papers have been written and published online, including worldwide health, ezine articles, article base, health blogs, self-growth, best before it's news, the karate GB daily, etc.,.
Named TOP 50 MEDICAL ESSAYS FOR ARTISTS & AUTHORS TO READ by Disilgold.com Named 50 of the best health Tweeters Canada - Huffington Post
Nominated for shorty award over last 4 years
Some articles have been used as references in medical research, such as international journal Pharma and Bioscience, ISSN 0975-6299.
Sources
(1) [Effects of prenatal yoga: a systematic review of randomized controlled trials].[Article in Japanese] by Kawanishi Y1, Hanley SJ, Tabata K, Nakagi Y, Ito T, Yoshioka E, Yoshida T, Saijo Y.(PubMed)
(2) Prenatal Stretching Exercise and Autonomic Responses: Preliminary Data and a Model for Reducing Preeclampsia by SeonAe Yeo, RNC, PhD, FAAN1(PubMed)
(3) A comparison of walking versus stretching exercises to reduce the incidence of preeclampsia: a randomized clinical trial by Yeo S1, Davidge S, Ronis DL, Antonakos CL, Hayashi R, O'Leary S.(PubMed)
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