Research Article

Hydroxychloroquine Use in Lupus Patients during Pregnancy Is Associated with Longer Pregnancy Duration in Preterm Births

Figure 1

Percentage of patients fulfilling each ACR criterion cumulatively from the start of every first registered pregnancy. Results are separately shown for patients who used HCQ or did not use HCQ during the first registered pregnancy. CDLE: chronic discoid lupus erythematosus; ANA: antinuclear antibodies.