Last Updated: Tuesday, January 31, 2012.

Pfizer Inc., the pharmaceutical giant and world’s largest drug maker, is recalling 1 million packs of birth control pills in the United States, because they may not contain enough hormones to be effective enough to prevent pregnancy. The recalled birth control pills include:

• 14 lots of Lo-Ovral (28 day) Oral tablets
• 14 lots of Norgestrel and Ethinyl Estradiol (the generic form of Lo-Ovral)

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