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Conclusions The amount of time pregnant women spend in moderate-vigorous physical activity or volitional exercise varies drastically depending upon what guideline is used.

Women’s Health Care Physicians

Measuring energy expenditure in habitually active and sedentary pregnant women. The protocol was approved by the campus’ Institutional Review Board.

The percentage of women that met the physical activity guidelines were classified according to three categories: Table 1 Definitions of physical activity guidelines and activity categorizations. The importance of maternal physical activity dates as far back as the third century BC when Aristotle eluded to the difficulty endured during childbirth as a result of a afog maternal lifestyle [ 1 ]. Weekly minutes spent in moderate-vigorous physical activity according to multiple guidelines.

Physical Activity during Pregnancy: Impact of Applying Different Physical Activity Guidelines

Identification of severe maternal morbidity during delivery hospitalizations, United States, — Hypertensive disorders and severe obstetric morbidity in the United States.

An International Journal of Obstetrics and Gynaecology.

Sufficient, insufficient, and no activity are defined for each of the six guidelines in Table 1. These included limitations on heart rate and duration, restricting heart rate to beats per minute, and exercise to no more than 15 minutes at a time [ 4 ].


Previous studies have also used accelerometry to assess physical activity during pregnancy, but data were commonly processed for partial days e. Multiple guidelines and definitions of physical activity PA have been used to study the benefits of activity during pregnancy. Retrieved March 20, To advance compemdium on physical activity in pregnancy, a more systematic epidemiological approach is needed. Nineteen women did not complete the study due to pregnancy complications or personal time constraints.

Physical activity in U.

Four of these guidelines compendikm the use of a minimum bout of activity, 10 guideline 2 and 3 or 30 minutes guideline 4 and 5. For example, McParlin et al. Validation of the SenseWear armband to predict energy expenditure in pregnant women. Nonwear time spent doing water activities was accounted for using corresponding MET values from the Compendium of Physical Activities [ 22 ].

Women already doing regular activity of vigorous intensity may continue provided that they remain healthy and discuss their activity with their healthcare provider over time [ 8 ].

Interventions for preventing excessive weight gain during pregnancy. The amount of activity performed and the axog of women meeting six different PA guidelines were evaluated. The SWA uses these compendijm via the use of proprietary algorithms to predict the energy expenditure. Leisure-time physical activity among pregnant women in the US. When analyzing data for these 4 guidelines, interruptions of 1 or 2 minutes below the moderate intensity threshold within a minute period were allowed, as has been previously reported with analysis of physical activity data in the nonpregnant population [ 2526 ].

Water activity was confirmed by the physical activity record. Due to the large popularity of this class, there is a waiting list to participate and women are typically able to begin participating in this class near weeks 20—22 of pregnancy.


These recommendations of 30 minutes or more of moderate exercise on most, if not all, days of the week were reaffirmed by ACOG in [ 2 ]. Future recommendations should incorporate previous and future findings of improved pregnancy outcomes with specific volumes of physical activity.

Compendium of Selected Publications CD-ROM : Acog :

Table 2 Weekly minutes spent in moderate-vigorous physical activity according to multiple guidelines. During the week 18 appointment, participants provided written informed consent and completed a medical history questionnaire indicating their age, ethnicity, education, parity, height, pre-pregnancy weight, and due date.

Conflict of Interests None of the authors report any conflict of interests with any of the companies listed in this paper. Welk for his assistance in reviewing this paper. As a result, the current literature reports considerable discrepancies as to whether or not the maternal physical activity is an effective approach to prevent such complications [ 28 — 34 ].


Additionally, participation in a prenatal aqua aerobics class is common in the local community. Previous studies have evaluated the prevalence of activity during pregnancy using multiple interpretations of the ACOG guidelines. Considerable evidence was published regarding the safety of maternal exercise between the s and early s supporting the need for updated and revised exercise guidelines [ 356 ]. Am J Obstet Gynecol ; Prevalence and correlates of objectively measured physical activity and sedentary behavior among US pregnant women.