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Banco de dados - Alliance francophone pour l'accouchement respecté (AFAR)

Descrição deste banco de dados documental (Site da AFAR)
Atualmente 3047 fichas
Canal do YouTube (tutorial)

https://afar.info/id=2181

Criado em : 19 Feb 2008
Alterado em : 27 Jun 2018

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Nota bibliográfica (sem autor) :

Exercise during pregnancy may increase birth weight BMJ, Jan 2001; 322: 193

Autores :

Scott Gottlieb

Ano de publicação :

2001

URL(s) :

http://www.bmj.com/cgi/content/full/322/7280/193/a
https://doi.org/10.1136/bmj.322.7280.193/a

Résumé (français)  :

Abstract (English)  :

Women who start a moderate exercise programme during early pregnancy may improve their likelihood of giving birth to a healthy baby, according to the results of a new study.

Dr James Clapp, professor of reproductive biology at Case Western Reserve University in Cleveland, Ohio, and colleagues studied 46 women who were not exercising regularly and were 8 weeks pregnant. The women were randomly asked to undertake either moderate weight bearing exercise three to five times a week (n=22) or no exercise for the rest of the pregnancy (n=24) (American Journal of Obstetrics and Gynecology 2000;183:1484-8).

Infants born to the women who exercised were significantly heavier and longer than those whose mothers did not exercise. In addition, mid-trimester placental growth rate was faster and indexes of placental function were greater in the exercise group. No significant differences between the two groups were found in neonatal percentage body fat, head circumference, ponderal index, or maternal weight gain.

The findings may be especially useful for women at risk of having low birthweight babies—such as older women and those who gain little weight during pregnancy. An exercise programme may be an easy, acceptable way to boost the growth of the fetus in normal pregnancy, the researchers said.

Exercise, in fact, may seem easier during pregnancy. Pregnancy induces a “marked training effect,“ Dr Clapp said. During pregnancy the heart pumps more blood and the lungs take in more air. Contrary to persisting assumptions, he said, exercise does not induce early labour, and it reduces fetal distress.

The American College of Obstetrics and Gynecologists used to recommend that expectant mothers keep their pulse rate no higher than 140 during exercise. Now the college says that maximum heart rates should be determined individually, depending on a woman’s age and fitness level. The college advises women to avoid exercise in supine positions after the first trimester because it directs blood flow away from the baby.

Dr Clapp defines a regular exercise as engaging in a weight bearing activity, such as jogging or aerobic dancing, for 30 continuous minutes three or more days a week at or above 65% of aerobic capacity.

Because the current study was conducted in low risk, healthy women, the findings do not necessarily indicate that the exercise will be as beneficial in high risk or unhealthy women. “Nonetheless,“ the authors wrote, “early introduction of a moderate-intensity regimen of weight-bearing exercise during pregnancy may have preventive value in individuals or populations at risk of having low birth weight newborns.“

Sumário (português)  :

Comentários :

Argument (français) :

Les femmes qui commencent un programme d’exercice modéré pendant la grossesse précoce peuvent améliorer leurs chances de donner naissance à un bébé en bonne santé

Argument (English):

Women who start a moderate exercise programme during early pregnancy may improve their likelihood of giving birth to a healthy baby

Argumento (português):

As mulheres que iniciam um programa de exercícios moderados durante o início da gravidez podem melhorar a probabilidade de dar à luz um bebê saudável

Palavras-chaves :

➡ baixo peso à nascença ; nutrição

Autor da esta ficha :

Emmanuelle Phan — 19 Feb 2008
➡ última atualização : Bernard Bel — 27 Jun 2018

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Esta base de dados é gerida pela Alliance francophone pour l'accouchement respecté (AFAR, https://afar.info)
filiados Collectif interassociatif autour de la naissance (CIANE, https://ciane.net).
Ele é alimentado pelas contribuições de voluntários interessados ​​em compartilhar informações científicas.
Se você aprovar este projeto, você pode nos ajudar de várias maneiras:
(1) tornar-se um colaborador com base nisso, se você tem um pouco experiência na literatura científica
(2) ou apoio financeiro AFAR (veja abaixo)
(3) ou tornar-se um membro da AFAR (ou outra associação afiliada à CIANE).
Faça login ou crie uma conta para seguir as alterações ou se tornar um editor.
Contato afar.association(arobase)gmail.com para mais informações.

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