Gynaecology & Obstetrics General 701807d7 Regarding leflunomide in pregnancy all are true except A Cause hydrocephalus and skeletal anomalies in fetus B Pyrimidine synthesis inhibitor C Its active metabolite can be detected in plasma for upto 2 years after dis continuation D Used to treat Rheumatoid arthritis in pregnancy High-Yield Explanation Leflunomide, is used to treat Rheumatoid arthritis, but is contraindicated in pregnancy.