Security has been heightened at several Pierce County hospitals after a woman repeatedly tried to reach infants in birth centers.

Police have been notified about the problem, but no one has been arrested.

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The unidentified woman, described as black and in her mid-30s or 40s, was escorted out of the hospitals each time.

"Our top priority is keeping our patients, especially our infants, safe," said Marce Edwards, spokeswoman for MultiCare Health System.

The woman has not touched or taken babies, officials said, and it is unclear why she is trying to enter hospital units with newborns.

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She last tried Friday at Tacoma General Hospital's birth center.

Visitors to birth centers at Tacoma General and Mary Bridge Children's Hospital must sign in and show identification, Edwards said. They are escorted to the room they intend to visit.

The woman was denied access to St. Joseph Medical Center, said Maggie Leuzarder, a spokeswoman with CHI Franciscan Health.

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