International journal of women's health · 2025
Vitamin D, Homocysteine, and Thyroid Dysfunction as Risk Factors for Missed Abortion: A Retrospective Risk Factor Analysis.
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Fang Qianjin, Sang Lin, Du Shihua, Wang Runqiu, Wu Haihong, Yang Lu, Yu Jie
Аннотация
OBJECTIVE: This study aimed to identify potential associations between missed abortion (MA) and risk factors, including low levels of vitamin D, high homocysteine, and abnormal thyroid function, among women undergoing early pregnancy assessments, thereby bridging the clinical knowledge gap regarding modifiable risk factors for MA.
METHODS: This retrospective study analyzed serum levels of vitamin D, (25-(OH)-D3), homocysteine (Hcy), and thyroid hormones (thyroid-stimulating hormone [TSH], thyroid peroxidase antibodies [TPOAb]) in 158 women who experienced missed abortion compared to 237 women with normal early pregnancy outcomes.
RESULTS: MA patients had significantly lower vitamin D levels (P = 0.04), higher Hcy (P < 0.05), and evidence of abnormal thyroid function, including TSH levels ≥ 4 mIU/L (P = 0.01) and positive TPOAb (P = 0.02). Low vitamin D was significantly associated with an increased risk of MA (odds ratio = 1.8; P = 0.03).
CONCLUSION: These findings suggest that low vitamin D levels may be a potential risk factor for MA, highlighting the importance of monitoring and supplementation in early pregnancy to reduce the risk of missed abortion. As this study is retrospective, it cannot establish causality between the identified factors and MA.
METHODS: This retrospective study analyzed serum levels of vitamin D, (25-(OH)-D3), homocysteine (Hcy), and thyroid hormones (thyroid-stimulating hormone [TSH], thyroid peroxidase antibodies [TPOAb]) in 158 women who experienced missed abortion compared to 237 women with normal early pregnancy outcomes.
RESULTS: MA patients had significantly lower vitamin D levels (P = 0.04), higher Hcy (P < 0.05), and evidence of abnormal thyroid function, including TSH levels ≥ 4 mIU/L (P = 0.01) and positive TPOAb (P = 0.02). Low vitamin D was significantly associated with an increased risk of MA (odds ratio = 1.8; P = 0.03).
CONCLUSION: These findings suggest that low vitamin D levels may be a potential risk factor for MA, highlighting the importance of monitoring and supplementation in early pregnancy to reduce the risk of missed abortion. As this study is retrospective, it cannot establish causality between the identified factors and MA.