LCT and systemic lupus erythematosus: Ando et al. [28] administered low-dose prednisolone (5 mg/d) or dexamethasone (0.5 mg/d) daily during the entire IVF cycle until the pregnancy test was performed in 51 lVF-ET cycles of patients positive for ANA, anti-DNA antibody, and/or lupus anti-coagulant (LAC), as well as 29 IVF-ET cycles of patients negative for any antibodies and discovered significant increases of pregnancy and implantation rates in the antibodies-positive patients with corticosteroid treatment but not in the antibody-negative patients.