601. Drugs known to be teratogenic / FDA teratogen risk classification November 6th, 2008 by reuben in pregnancy Back Top Tags: card 600. Proteinuria in SLE pregnant mom generates what key ddx? / Steroids in pregnancy? / ASA or NSAIDs in pregnancy? / What year was the thalidomide amelia epidemic? 602. Why is aspirin's toxicity enhanced in the fetus? When in development is the fetus most susceptible to toxic insults? What is the safety of ASA/NSAIDs in pregnancy? What are considerations for opioid administration during pregnancy? When should chloramphenicol be avoided in pregnancy? Leave a Reply Cancel reply Please post any discussion to the emupdates Reddit page.