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Have the National Zoo’s hapless pandas finally—-with massive scientific intervention—-made another baby panda? After an ultrasound this morning, the answer is still maybe. Or maybe not!

“There is definite uterine enlargement as we would expect to see with pregnancy” tweets the National Zoo, “or pseudo pregnancy.”

Drat! But just telling you that Mei Xiang could still be having a pseudo-pregnancy doesn’t do justice to the near-impossible task of getting a panda to lie down and get some sugary treats. After the jump, the National Zoo’s minute-by-minute ultrasound coverage, curated.

[View the story “Is Mei Xiang Pregnant Or Not?” on Storify]

Photo by Flickr user hinnosaar via a Creative Commons license