<正>THE Year of the Pig is upon us, and along with that chubby pink animal comes 12 months of good luck and fortune...nd plenty of babies too. Every so often a year comes along that is deemed so auspicious it sparks off a baby boom in the world's most populous country, and 2007 is one of them. Wu Jian and his wife feel especially lucky in this Year of the Pig. The couple's efforts to conceive had been for years hampered by Mrs. Wu's health problems. So, in June 2006, they moved to Beijing to be treated in the city with the best hospitals and fertility doctors in China. Their efforts-and expenses-soon paid off. Mrs. Wu