The effect of pregnancy and the duration of postpartum convalescence on the physical fitness of healthy women: A cohort study of active duty servicewomen receiving 6 weeks versus 12 weeks convalescence.

<h4>Introduction</h4>Pregnancy profoundly affects cardiovascular and musculoskeletal performance requiring up to 12 months for recovery in healthy individuals.<h4>Objective</h4>To assess the effects of extending postpartum convalescence from 6 to 12 weeks on the physical fitn...

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Autores principales:	David W DeGroot, Collin A Sitler, Michael B Lustik, Kelly L Langan, Keith G Hauret, Michael H Gotschall, Alan P Gehrich
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/0cdf37ab71d64f408dd5496dc796f34a
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spelling	oai:doaj.org-article:0cdf37ab71d64f408dd5496dc796f34a2021-12-02T20:09:02ZThe effect of pregnancy and the duration of postpartum convalescence on the physical fitness of healthy women: A cohort study of active duty servicewomen receiving 6 weeks versus 12 weeks convalescence.1932-620310.1371/journal.pone.0255248https://doaj.org/article/0cdf37ab71d64f408dd5496dc796f34a2021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0255248https://doaj.org/toc/1932-6203<h4>Introduction</h4>Pregnancy profoundly affects cardiovascular and musculoskeletal performance requiring up to 12 months for recovery in healthy individuals.<h4>Objective</h4>To assess the effects of extending postpartum convalescence from 6 to 12 weeks on the physical fitness of Active Duty (AD) soldiers as measured by the Army Physical Fitness Test (APFT) and Body Mass Index (BMI).<h4>Methods</h4>We conducted a retrospective study of AD soldiers who delivered their singleton pregnancy of ≥ 32weeks gestation at a tertiary medical center. Pre- and post-pregnancy APFT results as well as demographic, pregnancy, and postpartum data were collected. Changes in APFT raw scores, body composition measures, and failure rates across the 6-week and 12-week convalescent cohorts were assessed. Multivariable regressions were utilized to associate risk factors with failure.<h4>Results</h4>Four hundred sixty women met inclusion criteria; N = 358 in the 6 week cohort and N = 102 in the 12 week cohort. Demographic variables were similar between the cohorts. APFT failure rates across pregnancy increased more than 3-fold in both groups, but no significant differences were found between groups in the decrement of performance or weight gain. With the combined cohort, multivariable regression analysis showed failure on the postpartum APFT to be independently associated with failure on the pre-pregnancy APFT (OR = 16.92, 95% CI 4.96-57.77), failure on pre-pregnancy BMI (OR = 8.44, 95% CI 2.23-31.92), elevated BMI at 6-8 weeks postpartum (OR = 4.02, 95% CI 1.42-11.35) and not breastfeeding at 2 months (OR = 3.23, 95% CI 1.48-7.02). Within 36 months of delivery date, 75% of women had achieved pre-pregnancy levels of fitness.<h4>Conclusion</h4>An additional 6 weeks of convalescence did not adversely affect physical performance or BMI measures in AD Army women following pregnancy. Modifiable factors such as pre- and post-pregnancy conditioning and weight, weight gain in pregnancy and always breastfeeding were found to be significant in recovery of physical fitness postpartum.David W DeGrootCollin A SitlerMichael B LustikKelly L LanganKeith G HauretMichael H GotschallAlan P GehrichPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 7, p e0255248 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q David W DeGroot Collin A Sitler Michael B Lustik Kelly L Langan Keith G Hauret Michael H Gotschall Alan P Gehrich The effect of pregnancy and the duration of postpartum convalescence on the physical fitness of healthy women: A cohort study of active duty servicewomen receiving 6 weeks versus 12 weeks convalescence.
description	<h4>Introduction</h4>Pregnancy profoundly affects cardiovascular and musculoskeletal performance requiring up to 12 months for recovery in healthy individuals.<h4>Objective</h4>To assess the effects of extending postpartum convalescence from 6 to 12 weeks on the physical fitness of Active Duty (AD) soldiers as measured by the Army Physical Fitness Test (APFT) and Body Mass Index (BMI).<h4>Methods</h4>We conducted a retrospective study of AD soldiers who delivered their singleton pregnancy of ≥ 32weeks gestation at a tertiary medical center. Pre- and post-pregnancy APFT results as well as demographic, pregnancy, and postpartum data were collected. Changes in APFT raw scores, body composition measures, and failure rates across the 6-week and 12-week convalescent cohorts were assessed. Multivariable regressions were utilized to associate risk factors with failure.<h4>Results</h4>Four hundred sixty women met inclusion criteria; N = 358 in the 6 week cohort and N = 102 in the 12 week cohort. Demographic variables were similar between the cohorts. APFT failure rates across pregnancy increased more than 3-fold in both groups, but no significant differences were found between groups in the decrement of performance or weight gain. With the combined cohort, multivariable regression analysis showed failure on the postpartum APFT to be independently associated with failure on the pre-pregnancy APFT (OR = 16.92, 95% CI 4.96-57.77), failure on pre-pregnancy BMI (OR = 8.44, 95% CI 2.23-31.92), elevated BMI at 6-8 weeks postpartum (OR = 4.02, 95% CI 1.42-11.35) and not breastfeeding at 2 months (OR = 3.23, 95% CI 1.48-7.02). Within 36 months of delivery date, 75% of women had achieved pre-pregnancy levels of fitness.<h4>Conclusion</h4>An additional 6 weeks of convalescence did not adversely affect physical performance or BMI measures in AD Army women following pregnancy. Modifiable factors such as pre- and post-pregnancy conditioning and weight, weight gain in pregnancy and always breastfeeding were found to be significant in recovery of physical fitness postpartum.
format	article
author	David W DeGroot Collin A Sitler Michael B Lustik Kelly L Langan Keith G Hauret Michael H Gotschall Alan P Gehrich
author_facet	David W DeGroot Collin A Sitler Michael B Lustik Kelly L Langan Keith G Hauret Michael H Gotschall Alan P Gehrich
author_sort	David W DeGroot
title	The effect of pregnancy and the duration of postpartum convalescence on the physical fitness of healthy women: A cohort study of active duty servicewomen receiving 6 weeks versus 12 weeks convalescence.
title_short	The effect of pregnancy and the duration of postpartum convalescence on the physical fitness of healthy women: A cohort study of active duty servicewomen receiving 6 weeks versus 12 weeks convalescence.
title_full	The effect of pregnancy and the duration of postpartum convalescence on the physical fitness of healthy women: A cohort study of active duty servicewomen receiving 6 weeks versus 12 weeks convalescence.
title_fullStr	The effect of pregnancy and the duration of postpartum convalescence on the physical fitness of healthy women: A cohort study of active duty servicewomen receiving 6 weeks versus 12 weeks convalescence.
title_full_unstemmed	The effect of pregnancy and the duration of postpartum convalescence on the physical fitness of healthy women: A cohort study of active duty servicewomen receiving 6 weeks versus 12 weeks convalescence.
title_sort	effect of pregnancy and the duration of postpartum convalescence on the physical fitness of healthy women: a cohort study of active duty servicewomen receiving 6 weeks versus 12 weeks convalescence.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/0cdf37ab71d64f408dd5496dc796f34a
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The effect of pregnancy and the duration of postpartum convalescence on the physical fitness of healthy women: A cohort study of active duty servicewomen receiving 6 weeks versus 12 weeks convalescence.

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