Figure 5
From: Biological versus chronological ovarian age: implications for assisted reproductive technology
Poor response is indicative of older biological age. In vitro fertilization poor response to follicle-stimulating hormone is associated with earlier age of menopause. de Boer et al. Increased risk of early menopausal transition and natural menopause after poor response at first IVF treatment. Hum Reprod 2003, 18:1544-1552. Reproduced by permission of Oxford University Press.