However,a lower prevalence of 18.2 % was detected in the control group, where none of the cases showed evidence of recent chlamydial infection in terms of IgM seropositivity or PCR., Al-Ramahi et al. studied the Chlamydia prevalence through PCR only, on 152 infertile Jordanian women, and showed a prevalence of current Chlamydia infection similar to ours of 3.9 % [21]. The gene discussed is CD40LG; the disease is chlamydia infectious disease.