The effects of nausea, vomiting, and social support on health-related quality of life during early pregnancy: A prospective cohort study.

To date, no previous study has examined the independent association between nausea, vomiting, and social support and health-related quality of life among early pregnant women. To fill this gap, we investigated these associations within this group using repeated-measurement data. A prospective cohort design was conducted from August 2018 to February 2019 with perinatal outpatients in a general hospital. Participants were 153 pregnant women aged 20 years or older and under 20 weeks of gestation at their first prenatal visit. Along with reporting their sociodemographic data, participants completed the Index of Nausea, Vomiting, and Retching (INVR), the 12-item Short Form Health Survey (SF-12), and the Multidimensional Scale of Perceived Social Support (MSPSS) and re-completed INVR, and SF-12 at follow-up checkups a maximum of three times. After controlling for internal correlations and confounding factors, INVR was found to be significantly negatively associated with the physical component summary scale score of SF-12; however, MSPSS showed no association with the physical component summary scale score. Conversely, the scores for both INVR and MSPSS were negatively and positively, respectively, significantly associated with the mental component summary scale score of SF-12. The severity of nausea and vomiting significantly impacts physical quality of life during early pregnancy. Both nausea and vomiting and social support significantly and independently affect mental quality of life. Health professionals should recognize these impacts and be aware that social support contributes to improving mental quality of life.

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