The rs2287987 ERAP1 CT/KIR Tel BB combination protects against infertility and RIF (p/pcorr. = 0.001/0.007, OR = 0.111, and p/pcorr. = 0.002/0.016, OR = 0.055, respectively; Supplementary Table 10). Here, ERAP1 is linked to Infertility.