What is Ringer’s Lactate and why is one brand of it believed to be behind maternal deaths in India?

One woman died, and four others fell ill in West Bengal after the administration of reportedly expired Ringer’s Lactate; this comes just weeks after four women in Karnataka died One woman died, and four others fell ill in West Bengal after the administration of reportedly expired Ringer’s Lactate; this comes just weeks after four women in Karnataka died Health Health News, Wellbeing Tips, Diseases, Treatment and Nutrition | The Hindu