Sean Preston Falls From Chair

Britney Spears's six-month-old son, Sean Preston, fell and hit his head on Saturday, April 1, at the Malibu home the pop star shares with husband Kevin Federline, a source close to Spears tells PEOPLE.

While the baby's nanny was lifting him from his high chair, something snapped in the chair and Sean Preston slipped from her arms and fell to the floor, bruising his head.

A doctor came to the house that day and examined the child; he seemed fine.

But six days later, Spears and Federline became concerned and took Sean Preston to Santa Monica-UCLA Medical Center to have him checked out, the source adds. No serious problems were found.

Spears, Federline and their son are back home and doing fine now, a second source tells PEOPLE.

After the hospital visit, child welfare officials visited Spears's home accompanied by a sheriff's deputy.

The Department of Children and Family Services called us on Saturday (April 8) and asked us to accompany them to the home of Mrs. Spears for their visit," Los Angeles County Sheriff's spokeswoman Lt. Debra Glafkides tells PEOPLE. "It's very routine and common for us to accompany them."

According to Glafkides, the visit lasted about half an hour and no police report was filed.

The Sheriff's Department could not release any further information, and the Department of Children and Family Services generally does not comment on cases due to confidentiality laws.

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