(March 8, 2023, 12:09 PM EST) -- ZUG, Switzerland — Covis Pharma Group on March 7 said in a press release that it is seeking to voluntarily withdraw its premature birth prevention drug Makena from the U.S. market and will work with the Food and Drug Administration “to effectuate an orderly wind-down” for women who have already started the 21-week course of the drug....