National Zoo giant panda pregnancy update

Friday, June 20, 2008 - 15:07 in Biology & Nature

Scientists at the Smithsonian's National Zoo detected a secondary rise in urinary progestin levels in the Zoo's female giant panda Mei Xiang (may-SHONG) earlier this month. The results from the test on Thursday, June 19 lead scientists to believe the hormone rise indicates that it would be mid- to late-July before Mei Xiang either gives birth to a cub or comes to the end of a pseudopregnancy, or false pregnancy, which is common in giant pandas.

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