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National Zoo Panda Not Pregnant

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Doctors at the National Zoo say resident panda Mei Xiang will not give birth anytime soon.
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Doctors at the National Zoo say resident panda Mei Xiang will not give birth anytime soon.

Zoo veterinarians had been keeping a close eye on Mei Xiang for months, monitoring her behavior and hormone levels.

Scientists artificially inseminated her in January, and were hoping for a baby panda. But now they say she was only experiencing a pseudopregnancy.

It's difficult to determine when a panda is pregnant because panda fetuses don't start developing until the final weeks of a gestation period.

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