Beyonce Birth, Twins Still in the Hospital with 'Minor Issue'

Beyonce has given birth to a boy and a girl, but an issue surfaced that has kept them in the hospital for nearly a week ... TMZ has confirmed.

Sources connected with the family tell us the twins were born Tuesday in a Los Angeles hospital. We're told a "minor issue" surfaced, and as a result ... doctors do not feel comfortable releasing them.

We do not know the nature of the issue.

One source told us Beyonce also remains at the hospital, but as far as we know she's okay. The babies are expected to be okay as well.

It's unclear when everyone will be released.