Vietnam is planning to impose stiffer penalties for gender-based sex selection in pregnancy, as the government scrambles to address a deepening imbalance in the country’s birth sex ratio – one of the worst in Asia.A draft proposal from the health ministry would raise the maximum fine for such violations to 100 million Vietnamese dong (US$3,800), more than triple the current penalty.Offences covered include disclosing the sex of a fetus, performing or facilitating sex-selective abortions,...