Effects on the foetus of exercise in pregnancy

Riemann, M K; Hansen, Ib

doi:10.1034/j.1600-0838.2000.010001012.x

Cited by 44 publications

(52 citation statements)

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“…With physical exercise (PE) becoming an integral part of many women's lives, the question remains as to whether this exercise has any adverse effects on pregnancy outcomes [2]. In theory, the addition of PE may represent a significant challenge to both the maternal and fetal wellbeing as the dual stresses of pregnancy and exercise may create conflicting physiological demands and thus adversely affect pregnancy outcomes [3].…”

Section: Introductionmentioning

confidence: 99%

Exercise during pregnancy reduces the rate of cesarean and instrumental deliveries: results of a randomized controlled trial

Barakat

Peláez

López

et al. 2012

The Journal of Maternal-Fetal & Neonatal Medicine

124

114

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In this study, the authors assessed the effects of a structured, moderate-intensity exercise program during the entire length of pregnancy on a woman's method of delivery. Methods:A randomized controlled trial was conducted with 290 healthy pregnant Caucasian (Spanish) women with a singleton gestation who were randomly assigned to either an exercise (n=138) or a control (n=152) group. Pregnancy outcomes, including the type of delivery, were measured at the end of the pregnancy.Results:The percentage of cesarean and instrumental deliveries in the exercise group were lower than in the control group (15.9%, n=22; 11.6%, n=16 vs. 23%, n=35; 19.1%, n=29, respectively; p=0.03). The overall health status of the newborn as well as other pregnancy outcomes were unaffected. Conclusions:Based on these results, a supervised program of moderate-intensity exercise performed throughout pregnancy was associated with a reduction in the rate of cesarean sections and can be recommended for healthy women in pregnancy.

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Section: Introductionmentioning

confidence: 99%

Exercise during pregnancy reduces the rate of cesarean and instrumental deliveries: results of a randomized controlled trial

Barakat

Peláez

López

et al. 2012

The Journal of Maternal-Fetal & Neonatal Medicine

124

114

View full text Add to dashboard Cite

show abstract

“…Estos fetos que no recuperaron realizaron igualmente la prueba al 60% ya que se encontraban dentro del rango de la FCF establecido como seguro (120-160 lat/min) (25,26).…”

Section: Resultsunclassified

El ejercicio físico supervisado durante el embarazo mejora la respuesta cardiaca fetal / Supervised Physical Activity During Pregnancy Improves Fetal Cardiac Response

Roldan¹,

Perales²,

Mateos³

et al. 2015

rimcafd

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“…The mean body weight of trained fetuses was lower than that of control fetuses. Fetal growth seems to be influenced by maternal activity, as shown in some investigations which reported significantly larger babies born to moderately trained women compared to non-trained or heavily trained women (2). In the latter group, the reduction could be explained by a lower neonatal fat mass.…”

mentioning

confidence: 87%

“…Studies on rats and mice have indicated that endurance exercise during pregnancy causes a decrease in fetal size (1,2). However, other investigators did not find a correlation between maternal endurance exercise and fetal birth weight (3).…”

mentioning

confidence: 94%

Effect of strenuous maternal exercise before and during pregnancy on rat progeny renal function

Oliveira

Fileto

Melis

2004

Braz J Med Biol Res

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The effects of strenuous exercise before and during pregnancy on the renal function and morphological alterations of the progeny were determined in a study on female Wistar rats. This research was done based on a previous study carried out in our laboratory, which showed morphological alterations in rats submitted to this kind of exercise. As the form is related to the function, the physiological relevance of submitting a pregnant female to a high-intensity exercise training regimen could be explained by the fact that morphological alterations can influence kidney function. The animals were assigned to one of two groups: control animals that did not exercise during pregnancy and trained animals that swam for 120 min 5 days a week for 8 weeks before pregnancy and daily for 60 min over a period of 8 weeks starting on the second day of pregnancy. Seven rats of each group were analyzed for morphological alterations and for renal function. The progeny of the rats used for morphological evaluation were born by cesarean section and the progeny of the animals used to evaluate renal function were born normally. The progeny were two months old when renal function was evaluated. Fertility and morbidity were the same for both groups. Strenuous maternal exercise had no significant influence on glomerular filtration rate (GFR) but renal plasma flow was lower in the progeny of the trained group (mean ± SD, 16.65 ± 3.77 ml min -1 kg -1 ) compared to the progeny of the control group (33.42 ± 2.56 ml min -1 kg -1 ). Antidiuretic and antinatriuretic effects on the progeny of the trained group were observed, since urine flow as percentage of GFR and the fraction of urinary sodium excretion were lower in this group (1.38 ± 0.10 and 0.60 ± 0.04%, respectively) compared to the progeny of the control group (2.36 ± 0.11 and 1.55 ± 0.20%, respectively). Moreover, in this exercise program, fetuses from trained animals were small-sized (2.45 ± 0.19 vs 4.66 ± 2.45 g for control animals) and showed lower differentiation compared to fetuses from the control group. These effects were probably caused by caloric restriction, hypoxia and reduction of umbilical cord length.

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Effects on the foetus of exercise in pregnancy

Cited by 44 publications

References 0 publications

Exercise during pregnancy reduces the rate of cesarean and instrumental deliveries: results of a randomized controlled trial

Exercise during pregnancy reduces the rate of cesarean and instrumental deliveries: results of a randomized controlled trial

El ejercicio físico supervisado durante el embarazo mejora la respuesta cardiaca fetal / Supervised Physical Activity During Pregnancy Improves Fetal Cardiac Response

Effect of strenuous maternal exercise before and during pregnancy on rat progeny renal function

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