The impact of sex selection and abortion in China, India and South Korea 15-Mar-11 In the next 20 years in large parts of China and India, there will be a 10% to 20% excess of young men because of sex selection and this imbalance will have societal repercussions, states an analysis in CMAJ (Canadian Medical Association Journal): http://www.cmaj.ca/cgi/doi/10.1503/cmaj.101368