A Study of Fluid Intake, Hydration Status, and Body Composition of Pregnant Women in Their Third Trimester, and Relationships with Their Infant’s Birth Weight in China: A Prospective Cohort Study
Background: Water intake and hydration status may potentially influence maternal and child health. However, there is little research regarding this topic. Objectives: This study aimed to investigate pregnant women’s total fluid intake (TFI) levels, hydration status, and body composition and further...
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MDPI AG
2024-03-01
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| Series: | Nutrients |
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| Online Access: | https://www.mdpi.com/2072-6643/16/7/972 |
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| author | Yongye Song Fan Zhang Xing Wang Guotian Lin Limin He Zhixiong Lin Na Zhang Guansheng Ma |
| author_facet | Yongye Song Fan Zhang Xing Wang Guotian Lin Limin He Zhixiong Lin Na Zhang Guansheng Ma |
| author_sort | Yongye Song |
| collection | DOAJ |
| description | Background: Water intake and hydration status may potentially influence maternal and child health. However, there is little research regarding this topic. Objectives: This study aimed to investigate pregnant women’s total fluid intake (TFI) levels, hydration status, and body composition and further explore their relationship with infant birth weight. Methods: A 7-day, 24 h fluid intake recorded was applied to determine participants’ TFI levels. Morning urine samples were collected and tested to evaluate their hydration status. Maternal body compositions in their third trimester and infant birth weights were measured. Results: A total of 380 participants completed the study. The TFI was insufficient for pregnant women during their third trimester (median = 1574 mL), with only 12.1% of participants meeting the recommended adequate fluid intake level for pregnant women living in China (1.7 L per day). With the increasing TFI values, the urine osmolality decreased, which showed statistical significance among the four groups (χ<sup>2</sup> = 22.637, <i>p</i> < 0.05). The participants displayed a poor hydration status. Meanwhile, the percentage of participants who were in dehydrated status decreased (χ<sup>2</sup> = 67.618, <i>p</i> < 0.05), while body water content and basal metabolic rate increased with the increase in TFI levels (χ<sup>2</sup> = 20.784, <i>p</i> < 0.05; χ<sup>2</sup> = 14.026, <i>p</i> < 0.05). There were positive linear relationships between plain water intake, the basal metabolic rate of pregnant women and their infant birth weight (SE = 0.153, <i>p</i> < 0.05; SE = 0.076, <i>p</i> < 0.05). Conclusions: Water intake was insufficient, and poor hydration status was common among pregnant women in China. There may be potential relationships between plain water intake, basal metabolic rate, and infant birth weight. |
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| language | English |
| last_indexed | 2024-04-24T10:37:26Z |
| publishDate | 2024-03-01 |
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| record_format | Article |
| series | Nutrients |
| spelling | doaj.art-03e49d15421345199d89d761217ef04b2024-04-12T13:24:15ZengMDPI AGNutrients2072-66432024-03-0116797210.3390/nu16070972A Study of Fluid Intake, Hydration Status, and Body Composition of Pregnant Women in Their Third Trimester, and Relationships with Their Infant’s Birth Weight in China: A Prospective Cohort StudyYongye Song0Fan Zhang1Xing Wang2Guotian Lin3Limin He4Zhixiong Lin5Na Zhang6Guansheng Ma7Department of Nutrition and Food Hygiene, School of Public Health, Peking University, 38 Xue Yuan Road, Haidian District, Beijing 100191, ChinaInternational School of Public Health and One Health, Hainan Medical University, 3 Xue Yuan Road, Longhua District, Haikou 571199, ChinaDepartment of Nutrition and Food Hygiene, School of Public Health, Peking University, 38 Xue Yuan Road, Haidian District, Beijing 100191, ChinaSchool of Health Medicine, University of Sanya, 191 Xue Yuan Road, Jiyang District, Sanya 572022, ChinaInternational School of Public Health and One Health, Hainan Medical University, 3 Xue Yuan Road, Longhua District, Haikou 571199, ChinaHaikou Hospital of the Maternal and Child Health, 6 Wen Tan Road, Guo Xing Avenue, Qiongshan District, Haikou 570203, ChinaDepartment of Nutrition and Food Hygiene, School of Public Health, Peking University, 38 Xue Yuan Road, Haidian District, Beijing 100191, ChinaDepartment of Nutrition and Food Hygiene, School of Public Health, Peking University, 38 Xue Yuan Road, Haidian District, Beijing 100191, ChinaBackground: Water intake and hydration status may potentially influence maternal and child health. However, there is little research regarding this topic. Objectives: This study aimed to investigate pregnant women’s total fluid intake (TFI) levels, hydration status, and body composition and further explore their relationship with infant birth weight. Methods: A 7-day, 24 h fluid intake recorded was applied to determine participants’ TFI levels. Morning urine samples were collected and tested to evaluate their hydration status. Maternal body compositions in their third trimester and infant birth weights were measured. Results: A total of 380 participants completed the study. The TFI was insufficient for pregnant women during their third trimester (median = 1574 mL), with only 12.1% of participants meeting the recommended adequate fluid intake level for pregnant women living in China (1.7 L per day). With the increasing TFI values, the urine osmolality decreased, which showed statistical significance among the four groups (χ<sup>2</sup> = 22.637, <i>p</i> < 0.05). The participants displayed a poor hydration status. Meanwhile, the percentage of participants who were in dehydrated status decreased (χ<sup>2</sup> = 67.618, <i>p</i> < 0.05), while body water content and basal metabolic rate increased with the increase in TFI levels (χ<sup>2</sup> = 20.784, <i>p</i> < 0.05; χ<sup>2</sup> = 14.026, <i>p</i> < 0.05). There were positive linear relationships between plain water intake, the basal metabolic rate of pregnant women and their infant birth weight (SE = 0.153, <i>p</i> < 0.05; SE = 0.076, <i>p</i> < 0.05). Conclusions: Water intake was insufficient, and poor hydration status was common among pregnant women in China. There may be potential relationships between plain water intake, basal metabolic rate, and infant birth weight.https://www.mdpi.com/2072-6643/16/7/972fluid intakehydration statusbody compositionpregnant womenbirth weight |
| spellingShingle | Yongye Song Fan Zhang Xing Wang Guotian Lin Limin He Zhixiong Lin Na Zhang Guansheng Ma A Study of Fluid Intake, Hydration Status, and Body Composition of Pregnant Women in Their Third Trimester, and Relationships with Their Infant’s Birth Weight in China: A Prospective Cohort Study Nutrients fluid intake hydration status body composition pregnant women birth weight |
| title | A Study of Fluid Intake, Hydration Status, and Body Composition of Pregnant Women in Their Third Trimester, and Relationships with Their Infant’s Birth Weight in China: A Prospective Cohort Study |
| title_full | A Study of Fluid Intake, Hydration Status, and Body Composition of Pregnant Women in Their Third Trimester, and Relationships with Their Infant’s Birth Weight in China: A Prospective Cohort Study |
| title_fullStr | A Study of Fluid Intake, Hydration Status, and Body Composition of Pregnant Women in Their Third Trimester, and Relationships with Their Infant’s Birth Weight in China: A Prospective Cohort Study |
| title_full_unstemmed | A Study of Fluid Intake, Hydration Status, and Body Composition of Pregnant Women in Their Third Trimester, and Relationships with Their Infant’s Birth Weight in China: A Prospective Cohort Study |
| title_short | A Study of Fluid Intake, Hydration Status, and Body Composition of Pregnant Women in Their Third Trimester, and Relationships with Their Infant’s Birth Weight in China: A Prospective Cohort Study |
| title_sort | study of fluid intake hydration status and body composition of pregnant women in their third trimester and relationships with their infant s birth weight in china a prospective cohort study |
| topic | fluid intake hydration status body composition pregnant women birth weight |
| url | https://www.mdpi.com/2072-6643/16/7/972 |
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