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Moderate impact of full-term pregnancy on estimated peak oxygen uptake, physical activity and perceived health
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences, Family Medicine and Clinical Epidemiology.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences, Family Medicine and Clinical Epidemiology.
2010 (English)In: Acta Obstetricia et Gynecologica Scandinavica, ISSN 0001-6349, E-ISSN 1600-0412, Vol. 89, no 9, 1140-1148 p.Article in journal (Refereed) Published
Abstract [en]

Objective. To study the impact of pregnancy on estimated peak oxygen uptake ((V) over dotO(2) (peak, est.)), physical activity and perceived health. Design. Prospective cohort study. Setting. Maternal health centers. Population. A cohort of pregnant women. Methods. Cycle ergometer test and questionnaires in early pregnancy and 5 months postpartum. Main outcome measures. (V) over dotO(2) (peak, est.), physical activity and perceived health. Results. Regular physical activity was reported by a successively lower proportion of women as pregnancy advanced but the proportion was regained postpartum. Despite this the difference between average absolute (V) over dotO(2) (peak, est.) in early pregnancy and postpartum of 2.44 and 2.42 l/minute, respectively, was not significant. The adjusted absolute (V) over dotO(2) (peak, est.) in early pregnancy successively increased with age to a maximum at 35 years, after which it decreased and among women of the same age the time between 8 and 12 weeks lowered the (V) over dotO(2) (peak, est.) by 0.130 l/minute. With the Short Form 36 (SF-36) questionnaire in early pregnancy the women scored their mean mental health to 72.0 and mean physical health to 79.7. At the postpartum appointment these scores were higher (p < 0.0001). Absolute and relative (V) over dotO(2) (peak, est.) in early pregnancy were positively correlated to the variation of SF-36' s mean physical health in early pregnancy (p < 0.0001) and postpartum (p < 0.0001). Conclusions. Pregnancy had a moderate influence on physical fitness and perceived health half a year postpartum despite less regular physical activity during pregnancy. (V) over dotO(2) (peak, est.) in early pregnancy was positively correlated to perceived physical health.

Place, publisher, year, edition, pages
2010. Vol. 89, no 9, 1140-1148 p.
Keyword [en]
Pregnancy, cycle ergometer test, oxygen uptake, physical fitness, physical activity, perceived health
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:uu:diva-134324DOI: 10.3109/00016349.2010.487894ISI: 000282897700005OAI: oai:DiVA.org:uu-134324DiVA: diva2:372807
Available from: 2010-11-29 Created: 2010-11-24 Last updated: 2017-12-12Bibliographically approved
In thesis
1. Physical Fitness and Pregnancy
Open this publication in new window or tab >>Physical Fitness and Pregnancy
2013 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Objectives To assess physical fitness in pregnancy and to evaluate its effect on perceived health, back pain, blood pressure and duration of gestation. Also, to evaluate the effect of serum relaxin levels on blood pressure and duration of gestation.

Material and methods A prospective cohort of 520 pregnant women were examined in early pregnancy and five months postpartum with regard to socio-demographic characteristics and estimated peak oxygen uptake (V̇O2 peak, est.). Serum concentrations of relaxin were carried out in early pregnancy. Physical exercise, possible back pain and blood pressure were measured repeatedly throughout pregnancy.

Results Absolute V̇O2 peak, est. in early pregnancy was positively correlated to perceived health, which was lower during than after pregnancy. The average absolute V̇O2 peak, est. in early pregnancy of 2.4 l/minute was 0.02 l/minute less than the V̇O2 peak, est. postpartum, while regular physical exercise decreased throughout pregnancy. Absolute V̇O2 peak, est. in early pregnancy was not associated to the incidence of any low back pain location in pregnancy or postpartum, but inversely to intensity of back pain and diastolic blood pressure and positively with duration of gestation. Elevated serum relaxin levels were associated with decreased diastolic blood pressure and higher duration of gestation among women with miscarriage.

Conclusions Perceived health, diastolic blood pressure and duration of gestation were positively affected by physical fitness while no effect was shown on the incidence of back pain. The effect of physical fitness on duration of gestation and diastolic blood pressure might have clinical implications as well as the increased serum relaxin levels on miscarriages.

Place, publisher, year, edition, pages
Uppsala: Acta Universitatis Upsaliensis, 2013. 61 p.
Series
Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Medicine, ISSN 1651-6206 ; 913
Keyword
Physical fitness, oxygen uptake, pregnancy, back pain, blood pressure, duration of gestation, relaxin, cycle ergometer test, physical exercise, perceived health
National Category
Family Medicine
Identifiers
urn:nbn:se:uu:diva-203630 (URN)978-91-554-8699-0 (ISBN)
Public defence
2013-09-06, Rudbecksalen, Dag Hammarskjölds väg 20, Uppsala, 13:15 (Swedish)
Supervisors
Available from: 2013-08-15 Created: 2013-07-16 Last updated: 2014-01-07Bibliographically approved

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Svärdsudd, KurtKristiansson, Per

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