Figure 2

Smooth curve fitting of relationship between baseline luteinizing hormone/follicle-stimulating hormone ratio and live-birth rate per fresh-embryo transfer cycle in women with polycystic ovary syndrome in their first in vitro fertilization/ intracytoplasmic sperm injection cycle. The solid line and dashed line represent the estimated values and their corresponding 95% confidence intervals. Only 95% of the data is displayed. Adjusted for age and BMI.