A Chicago economic consultant will have to pay $11,000 per month for each triplet he fathered through assisted conception methods in Thailand, a Cook County judge ruled.Circuit Judge Jeanne Cleveland Bernstein’s Friday order is the latest in a series of legal bouts between Harlow Higinbotham, 71, and the mother of his children, Wipaporn Teekhungam, 41.The two first met in 2001 when Higinbotham worked in Bangkok. Teekhungam and Higinbotham saw each other a few times a year and participated in a traditional Thai …