Timelines: Test your enthusiasm Watch begins for possible birth of newest national panda
Announcement Date: August 19, 2015

Americans are on panda watch after the National Zoo announced that they detected a fetus during an ultrasound of giant panda Mei Xiang. Based on the size (about four centimeters or 1.6 inches), veterinarians estimate Mei Xiang could give birth early next week, or possibly in early September.