However, the article is not on the web. if anyone has it, do not post the entire thing here as it could be in violation of the law to do so.
The article is called Dateline Mexico: Where It Pays to be a Girl
Marie Claire website (http://www.marieclaire.com/)
The article details about an area in Mexico where daughters are more valuable than sons. Therefore, the mothers are pushing the boys to be girls. Hopefully this one will find itself online soon.