Raulken co.UK - At National Zoo, High Hopes for Panda Pregnancy

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60? "60px": "auto" ); height:expression(do*****ent.body.clientHeight > 60? "60px": "auto" );' onload=this.style.filter='progid:DXImageTransform.Microsoft.Shadow(color=#000000,direction=135,strength=5)'>By Michael E. Ruane Washington Post Staff Writer Monday, May 4, 2009; 3:12 PM Here we go again, panda fans. It's time for the annual panda pregnancy watch. This Story

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View All Items in This StoryView Only Top Items in This Story Scientists at the National Zoo will be closely watching female giant panda Mei Xiang's hormone levels this week to see whether she is pregnant. The current decline in her hormone level indicates that her reproductive cycle is coming to a close, and she was put on 24-hour-a-day video pregnancy watch Saturday night. When the level of the hormone, progestin, drops to its baseline levels, the real nail-biting starts. Either the panda will deliver a tiny cub within a few days, or the zoo will declare a "false pregnancy." But, wow, in these dire days of swine flu and the sickening economy, wouldn't a panda cub be sweet news in the nation's capital? The Panda House is closed until further notice, although zoo-goers can see the two male pandas outdoors from early morning until midafternoon every day. Scientists artificially inseminated Mei Xiang, 10, with semen from the zoo's male giant panda Tian...
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