Introduction: A few days ago, former Olympic champion Liu Xuan was photographed showing a pregnant belly. On the evening of the 23rd, Liu Xuan posted on Weibo to acknowledge the good news of pregnancy. Many female celebrities are secretive in the first three months of pregnancy and dare not announce it to the public. Why can\’t they tell in the first trimester? Liu Xuan announced the good news of pregnancy: she was happy and nervous with Wang Tao. Liu Xuan and her husband Wang Tao met and fell in love in 2001. After more than ten years of low-key companionship, they held a romantic wedding in Hong Kong on December 8, 2013. After 12 years of