Fig. 2

RIF risk forest map of RIF. The duration of infertility, number of induced abortions, low AMH levels, increased HOMA-IR values, abnormal hysteroscopy results, ANA positivity, and A-β2-GPI Ab positivity were risk factors for RIF. DOR, diminished ovarian reserve; EMs, endometriosis; FSH, follicle-stimulating hormone; AMH, anti-Müllerian hormone; HOMA-IR, Homeostatic Model Assessment of Insulin Resistance; TG-Ab, anti-thyroglobulin antibody; TPO-Ab, anti-thyroid peroxidase antibody; ANA, antinuclear antibody; A-β2-GPI Ab, anti-β2-glycoprotein I antibody