Association between sleep quality and ovarian reserve in women of reproductive age: a cross-sectional study
Abstract
OBJECTIVE
To evaluate the association between sleep quality and ovarian reserve among women of reproductive age.
DESIGN
Cross-sectional study SETTING: Not applicable.
PATIENTS
A total of 1070 female participants aged 20-40 years enrolled from February 2023 to January 2024.
INTERVENTION
Not applicable.
MAIN OUTCOME MEASURES
A questionnaire was administered to the participants to collect baseline information related to reproductive and lifestyle factors. Pittsburgh Sleep Quality Index (PSQI) was used to measure sleep quality. Assessment was conducted on ovarian reserve, including total antral follicle count (AFC), anti-Müllerian hormone (AMH) level, and basal sex hormone level.
RESULTS
The study sample of 1070 women had a mean age of 31.67 ± 4.41 years. A total of 314 participants (29.35%) were classified under the poor sleep group (PSQI score > 5).Significant differences were observed in the follicle-stimulating hormone (FSH), luteinizing hormone (LH), estradiol (E2), testosterone(T),AFC, and AMH between the two groups (P 5 had increased odds of diminished ovarian reserve (odds ratio [OR]: 3.80, 95% CI: 2.82- 5.13; AOR: 4.43, 95% CI: 3.22-6.14). After stratification by age and body mass index (BMI), compared with the PSQI ≤ 5 group, all subgroups of the PSQI > 5 group had increased odds of diminished ovarian reserve, especially <35-year-old and BMI ≤ 18.4 kg/m2 subgroups.
CONCLUSIONS
Poor sleep quality is associated with diminished ovarian reserve in women of reproductive age.
How strong is the evidence?
Evidence Hub reads this as a cross-sectional, done in people. Its evidence level is 4 of 5 (Low · observational). Observational designs can show an association but not prove cause. Reported size: 1,070 participants or records.
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