<正>THE modification of China’s birth control policy which allows couples where either parent is a single offspring to have a second child came into force at the end of 2013.Although many young couples are indeed eager to have a second child,there are also plenty who are not.For many,whether or not to give birth a second time is a weighty decision.Avoid Only-Child Loneliness Guo Qian,30,formally announced her intention to conceive and give birth to a sibling–with luck a sister–for