Depression score and body mass index mediate the association between dietary vitamin C intake and female infertility: a study based on NHANES 2013-2018.

ABSTRACT:

Background

The supplement of antioxidants to improve fertility has received widespread attention. The efficacy of the dietary antioxidant vitamin C (VC) on female infertility has not been fully elucidated. This study investigates the relationship between VC intake and infertility in terms of depression score and body mass index (BMI).

Methods

Our cross-sectional study included 2,381 adult American females aged from 18 to 44 from the National Health and Nutrition Examination Survey (NHANES, 2013-2018) database. Multiple logistic regressions, smoothed curve fitting, mediation and sensitivity analysis were conducted to describe the relationship between VC intake and infertility.

Results

Compared to the low VC intake group (Q1), the probability of female infertility in th

SUBMITTER: Zheng L 

PROVIDER: S-EPMC12457304 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature