28 CCR § 1300.67(g)(2)

(2) …Emergency services defined in section 1317.1 include active labor. “Urgently needed services” are those services necessary to prevent serious deterioration of the health of an enrollee, resulting from an unforeseen illness, injury, or complication of an existing condition, including pregnancy, for which treatment cannot be delayed until the enrollee returns to the plan’s service area. “Urgently needed services” includes maternity services necessary to prevent serious deterioration of the health of the enrollee or the enrollee’s fetus, based on the enrollee’s reasonable belief that she has a pregnancy-related condition for which treatment cannot be delayed until the enrollee returns to the plan’s service area.