Acute feTal behavioral Response to prenatal Yoga: a single, blinded, randomized controlled trial (TRY yoga)

Babbar, Shilpa; Hill, Jamal; Williams, Karen; Pinon, Maria; Chauhan, Suneet P.; Maulik, Dev

doi:10.1016/j.ajog.2015.12.032

Cited by 27 publications

(41 citation statements)

References 19 publications

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“…This is in line with the randomised controlled study in which acute changes in fetal responses to yoga exercises were investigated. After a supervised one-off yoga session, no significant changes in fetal cardiovascular activity and umbilical artery blood flow were reported 95…”

Section: Moving Forward: Prenatal Relaxation Techniques and Their Effmentioning

confidence: 95%

Spotlight on the fetus: how physical activity during pregnancy influences fetal health: a narrative review

Bauer

Hartkopf

Kullmann

et al. 2020

BMJ Open Sport Exerc Med

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Before and during pregnancy, women often aim to improve their lifestyle so as to provide a healthier environment for their developing child. It remains unresolved, however, as to whether physical activity (PA) during pregnancy poses a possible risk or whether it might even have beneficial effects on the developing child. There is increasing evidence that PA during pregnancy is indeed beneficial to maternal physiological and psychological health and that it is generally not detrimental to the fetal cardiovascular system and neuronal function in the developing child. This also led to international recommendations for PAs during pregnancy. In the current review, we aimed to comprehensively assess the evidence of beneficial and harmful effects of maternal PA, including high-performance sports, on fetal development. The different mental and body-based relaxation techniques presented here are frequently performed during pregnancy. We found a considerable number of studies addressing these issues. In general, neither low key, moderate maternal PA nor relaxation techniques were observed to have a harmful effect on the developing child. However, we identified some forms of PA which could have at least a transient unfavourable effect. Notably, the literature currently available does not provide enough evidence to enable us to make a general conclusive statement on this subject. This is due to the lack of longitudinal studies on the metabolic and cognitive effects of regular PA during pregnancy and the wide diversity of methods used. In particular, the kind of PA investigated in each study differed from study to study.

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Section: Moving Forward: Prenatal Relaxation Techniques and Their Effmentioning

confidence: 95%

Spotlight on the fetus: how physical activity during pregnancy influences fetal health: a narrative review

Bauer

Hartkopf

Kullmann

et al. 2020

BMJ Open Sport Exerc Med

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“…Previous studies have not reported any maternal injuries during their study period in those who practiced yoga. 30,31 Risks to the fetus are also unknown and not well documented. A randomized controlled trial conducted by Babbar et al 31 assessed the acute fetal response to prenatal yoga.…”

Section: Risksmentioning

confidence: 96%

“…15 Short-term fetal tolerance to yoga exercises in pregnancy has been demonstrated. 15,31 The long-term effects of yoga on the fetus or neonate are unknown because of the paucity of reports in the literature. Fetal growthandbirthweightserveasmeasurable outcomes that reflect the health status of a pregnancy.…”

Section: Risksmentioning

confidence: 99%

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Yoga in Pregnancy

Babbar¹,

Shyken²

2016

Clinical Obstetrics &Amp; Gynecology

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Yoga is a mind-body practice that encompasses a system of postures (asana), deep breathing (pranayama), and meditation. Over 36 million Americans practice yoga of which the majority are reproductive-aged women. Literature to support this practice is limited, albeit on the rise. A prenatal yoga practice has been shown to benefit women who suffer from anxiety, depression, stress, low back pain, and sleep disturbances. A small number of studies have been performed in high-risk pregnancies that also demonstrate an improvement in outcomes. The safety of performing yoga for the first time in pregnancy and fetal tolerance has been demonstrated.

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“…Table 1 outlines the characteristics of the included studies and applies the frequency, intensity, time/duration and type (FITT) principle of exercise prescription across the studies. Ten of the included studies originated from India (14,16,17,(33)(34)(35)(36)(37)(38)(39) , eight from the USA (9,11,15,18,42,(43)(44)(45) and one each from China, Indonesia, Iran, Japan, Thailand and the UK. (46)(47)(48)(49)(50)(51) Twenty of the studies were RCTs, three were non-randomised control trials and one was a trueexperimental post-test only control group design.…”

Section: Study Characteristicsmentioning

confidence: 99%

The characteristics and effectiveness of pregnancy yoga interventions: A systematic review and meta-analysis

Corrigan

Moran

McGrath

et al. 2021

Preprint

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Background: Yoga is a popular mind-body medicine frequently recommended and to pregnant women. Gaps remain in our understanding of core components of effective pregnancy yoga programmes. This review and meta-analysis examined the characteristics and effectiveness of pregnancy yoga, incorporating the FITT (frequency, intensity, time/duration and type) principle of exercise prescription in the analysis. Methods: The following electronic databases were searched: MEDLINE, PsycINFO, EMBASE, CINAHL, WHOLiS, AMED, ScieLo, ASSIA and Web of Science. Randomised control trials and quasi-experimental studies examining pregnancy yoga interventions were eligible for inclusion. Covidence was used to screen titles, abstracts, and full text articles. Outcomes of interest were stress, anxiety, depression, quality of life, labour duration, pain management in labour and mode of birth. The Cochrane Collaboration’s Risk of Bias Assessment tool was used to assess methodological quality of studies and GRADE criteria (Gradepro) evaluated quality of the evidence. Meta-analysis was performed using Revman 5.3. Results: 678 citations were retrieved, 24 studies met inclusion criteria. 22 studies with 1826 pregnant women were included for meta-analysis. Applying per-protocol analysis and a random effects model, the pooled standardised mean difference (SMD) for depression (-0.53; 95% CI: -1.04 to -0.02, P=0.04), anxiety (-0.82; 95% CI: -1.64 to -0.01; p=0.05), perceived stress (-1.03; 95% CI: -1.55 to -0.52; p<0.0001) and physiological stress (-0.24; 95% CI: -0.52 to 0.04, P=0.09) supported a statistically significant beneficial effect of pregnancy yoga interventions for anxiety, depression and perceived stress. Duration of labour was shorter (MD= -116.96; 95% CI -163.36 to -70.56, P<0.00001) and normal vaginal birth rates were higher in the yoga group (OR 2.72; 95% CI 1.26-5.90, p=0.01). The quality of evidence (GRADE) was low to very low for all factors. Twelve or more yoga sessions delivered weekly/bi-weekly had a statistically significant impact on mode of birth, while twelve or more yoga sessions of long duration (>60mins) had a statistically significant impact on perceived stress. Yoga sessions had a statistically significant impact on anxiety while yoga therapy had a statistically significant impact on depressionConclusion: The evidence supports previously cited positive effects of pregnancy yoga on anxiety, depression, perceived stress, normal vaginal birth and shorter duration of labour. Systematic review registration: PROSPERO, CRD42019119916. Registered on 11th January 2019.Protocol publication: Corrigan L, Eustace-Cook J, Moran P and Daly D. The effectiveness and characteristics of pregnancy yoga interventions: a systematic review protocol [version 2; peer review: 2 approved]. HRB Open Res 2020, 2:33 (https://doi.org/10.12688/hrbopenres.12967.2)

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Acute feTal behavioral Response to prenatal Yoga: a single, blinded, randomized controlled trial (TRY yoga)

Abstract: There was no significant change in fetal blood flow acutely after performing yoga for the first time in pregnancy. Yoga can be recommended for low-risk women to begin during pregnancy.

Cited by 27 publications

References 19 publications

Spotlight on the fetus: how physical activity during pregnancy influences fetal health: a narrative review

Spotlight on the fetus: how physical activity during pregnancy influences fetal health: a narrative review

Yoga in Pregnancy

The characteristics and effectiveness of pregnancy yoga interventions: A systematic review and meta-analysis

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