Guishen Yijing Formula for Diminished Ovarian Reserve: A Real-World Retrospective Study

The goal of this observational study is to learn about the real-world effectiveness of Guishen Yijing Formula in women with diminished ovarian reserve (DOR). The main question it aims to answer is: Does Guishen Yijing Formula improve ovarian reserve function in women with DOR after 3 months of treatment? Medical records of participants who received Guishen Yijing Formula as part of their routine clinical care for DOR will be reviewed. Changes in anti-Müllerian hormone (AMH), follicle-stimulating hormone (FSH), and symptom scores before and after treatment will be analyzed.

Inclusion Criteria: Female patients aged 18 to 44 years Diagnosed with diminished ovarian reserve (DOR) with TCM syndrome differentiation of Kidney Deficiency and Liver Stagnation, and serum AMH \< 1.1 ng/mL Received Guishen Yijing Formula with individualized modifications for 3 consecutive menstrual cycles Exclusion Criteria: Combined with serious systemic diseases, including cardiovascular, cerebrovascular, hematopoietic system disorders, or malignant tumors Primary amenorrhea, or family history of early menopause Diminished ovarian reserve caused by ovarian surgery or related surgical procedures Use of hormonal therapy or other treatments affecting ovarian function during the study period Pregnancy at baseline Incomplete medical records Loss to follow-up or significant missing data