China's fourth baby boom due to a change in birth policy is expected to generate more business opportunities in child-related industries, report Wang Zhuoqiong, Wang Wen and Huang Ying

For many Chinese couples, a policy shift permitting them to have a second child comes at a high price.

Li Yun and his wife are now looking for a bigger apartment where they can live with their 3-year-old daughter and their coming second child. With an annual income of 450,000 yuan ($74,000), the couple is making financial plans for other expenses, from child care to education.