![]() CBC.ca | Pfizer Inc. recalls birth control pills in mix-up San Francisco Chronicle Tom Murphy, AP Birth control pills are known to be nearly 100 percent effective when taken properly, but a recall of the drugs could send a shudder through women of childbearing age. Pfizer Inc., the world's largest drugmaker, has recalled about 1 ... Pfizer recalls 1M birth control packs after mix-up Pfizer recalls 1 million birth control packs after mix-up Worries over birth control pill recall |