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However, recent works suggest there may be a dose\u2010dependent beneficial effect for mother and offspring; maternal and offspring health outcomes respond differently to low, medium, and high doses of prenatal exercise. It is, therefore, our aim to summarize the published evidence (years 1950\u20132023) for five metrics of prenatal exercise training commonly reported, that is, \u201cFITT\u2010V\u201d: Frequency (number of sessions), Intensity (metabolic equivalents \u201cMETs\u201d), Time (duration of sessions), Type (exercise mode), Volume (exercise MET*mins). The target audience includes clinicians and health care professionals, as well as exercise professionals and physiologists. Data suggest that moderate exercise frequency (3\u20134 times weekly) appears safe and efficacious for mother and offspring, while there is contradictory evidence for the safety and further benefit of increased frequency beyond 5 sessions per week. Moderate (3\u20136 METs) and vigorous (&gt;6 METs) intensity prenatal exercise have been shown to promote maternal and offspring health, while little research has been performed on low\u2010intensity (&lt;3 METs) exercise. Exercise sessions lasting less than 1\u2009hr are safe for mother and fetus, while longer\u2010duration exercise should be carefully considered and monitored. Taken together, aerobic, resistance, or a combination of exercise types is well tolerated at medium\u2010to\u2010high volumes and offers a variety of type\u2010specific benefits. Still, research is needed to define (1) the \u201cminimum\u201d effective dose of exercise for mother and offspring health, as well as (2) the maximum tolerable dose from which more benefits may be seen. Additionally, there is a lack of randomized controlled trials addressing exercise doses during the three trimesters of pregnancy. Further, the protocols adopted in research studies should be more standardized and tested for efficacy in different populations of gravid women.<\/jats:p>","DOI":"10.1002\/bdr2.2249","type":"journal-article","created":{"date-parts":[[2023,9,22]],"date-time":"2023-09-22T07:09:10Z","timestamp":1695366550000},"page":"1581-1597","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":20,"title":["A narrative review of exercise dose during pregnancy"],"prefix":"10.1002","volume":"115","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7427-3851","authenticated-orcid":false,"given":"Alex","family":"Claiborne","sequence":"first","affiliation":[{"name":"Department of Kinesiology East Carolina University  Greenville North Carolina USA"},{"name":"Human Performance Laboratory East Carolina University  Greenville North Carolina USA"},{"name":"East Carolina Diabetes and Obesity Institute, East Carolina University  Greenville North Carolina USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Filip","family":"Jevtovic","sequence":"additional","affiliation":[{"name":"Department of Kinesiology East Carolina University  Greenville North Carolina USA"},{"name":"Human Performance Laboratory East Carolina University  Greenville North Carolina USA"},{"name":"East Carolina Diabetes and Obesity Institute, East Carolina University  Greenville North Carolina USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8231-2280","authenticated-orcid":false,"given":"Linda E.","family":"May","sequence":"additional","affiliation":[{"name":"Department of Kinesiology East Carolina University  Greenville North Carolina USA"},{"name":"Human Performance Laboratory East Carolina University  Greenville North Carolina USA"},{"name":"East Carolina Diabetes and Obesity Institute, East Carolina University  Greenville North Carolina USA"},{"name":"Department of Obstetrics and Gynecology East Carolina University  Greenville North Carolina USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2023,9,22]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1007\/s40279-022-01724-w"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1097\/01.AOG.0000425667.10377.60"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.1097\/00003081-200306000-00028"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1097\/AOG.0000000000003772"},{"key":"e_1_2_9_6_1","unstructured":"American College of Obstetricians and Gynecologists. 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