The Dodgers placed Jansen on the paternity list prior to Sunday's game against the Padres, Juan Toribio of MLB.com reports.
The roster move comes about an hour after Jansen announced via his personal Twitter account that his wife gave birth to the couple's child, daughter Key'Gia. Since Jansen is expected to be away from the team until Tuesday, Los Angeles recalled pitcher Mitch White from Triple-A Oklahoma City in a corresponding move.