• Adem Keskin and Recai Aci.
• Department of Medicine Biochemistry, Institute of Health Sciences, Aydin Adnan Menderes University, Aydin, Turkiye.
• J Coll Physicians Surg Pak. 2024 Oct 1; 34 (10): 116211661162-1166.

ObjectiveTo evaluate the relationship between homocysteine levels and anti-mullerian hormone (AMH) levels, a biomarker of ovarian reserve, and the effect of high homocysteine levels on ovarian reserve in subfertile women.Study DesignObservational case-control study. Place and Duration of the Study: Samsun Training and Research Hospital, Samsun, Turkiye, from October to December 2023.MethodologySeventy-nine subfertile women and 35 healthy fertile women were included in this study. AMH, homocysteine, thyroid stimulating hormone (TSH), free T3 (fT3), free T4 (fT4), iron, and ferritin levels of subfertile and fertile women were compared. Logistic regression, receiver operating characteristic, and Kaplan-Meier analyses were performed for homocysteine levels.ResultsAMH, fT4, iron, and ferritin levels were lower in subfertile women than in fertile women (p <0.001). Homocysteine and TSH levels were higher in subfertile women than in fertile women (p <0.001). The sensitivity for homocysteine levels was 94.90% and the specificity was 94.30%. In the Kaplan-Meier analysis, homocysteine levels of 12.90 μmol/L and above were found to be risky in terms of fertility. Homocysteine levels, AMH, and ferritin levels were negatively correlated and TSH levels were positively correlated in subfertile women (p <0.001). However, these correlations were not observed in fertile women (p >0.05).ConclusionHigh homocysteine levels can be considered as a risk factor affecting ovarian reserve in subfertile women.Key WordsAnti-mullerian hormone, Female subfertility, Homocysteine, Hyperhomocysteinaemia, Ovarian reserve.

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