Implantable electrical stimulation device comprising: a pulse generator; memory containing a first stimulation program and a second stimulation program; first and second electrode leads (110, 112) each comprising one or more electrodes; a switch having a first state in which the first electrode lead is electrically coupled to the pulse generator, and a second state in which the second electrode lead is electrically coupled to the pulse generator; and a controller comprising at least one processor configured to execute the first and second stimulation programs (120, 122) stored in the memory, the controller configured to selectively set the switch in the first or second state; wherein: the controller sets the switch in the first state in response to, or in preparation of, the execution of the first stimulation program such that electrical stimulation pulses generated by the pulse generator responsive to the execution of the first stimulation program by the at least one processor are delivered through the switch to the first electrode lead;the controller sets the switch in the second state in response to, or in preparation of, the execution of the second stimulation program such that electrical stimulation pulses generated by the pulse generator responsive to the execution of the second stimulation program by the at least one processor are delivered through the switch to the second electrode lead; the stimulation pulses generated by the pulse generator in response to the execution of the first stimulation program are configured to treat a first pelvic condition; and the stimulation pulses produced by the pulse generator in response to the execution of the second stimulation program are configured to treat a second pelvic condition that is different from the first pelvic condition. a pulse generator; memory containing a first stimulation program and a second stimulation program; first and second electrode leads (110, 112) each comprising one or more electrodes; a switch having a first state in which the first electrode lead is electrically coupled to the pulse generator, and a second state in which the second electrode lead is electrically coupled to the pulse generator; and a controller comprising at least one processor configured to execute the first and second stimulation programs (120, 122) stored in the memory, the controller configured to selectively set the switch in the first or second state; wherein: the controller sets the switch in the first state in response to, or in preparation of, the execution of the first stimulation program such that electrical stimulation pulses generated by the pulse generator responsive to the execution of the first stimulation program by the at least one processor are delivered through the switch to the first electrode lead;the controller sets the switch in the second state in response to, or in preparation of, the execution of the second stimulation program such that electrical stimulation pulses generated by the pulse generator responsive to the execution of the second stimulation program by the at least one processor are delivered through the switch to the second electrode lead; the stimulation pulses generated by the pulse generator in response to the execution of the first stimulation program are configured to treat a first pelvic condition; and the stimulation pulses produced by the pulse generator in response to the execution of the second stimulation program are configured to treat a second pelvic condition that is different from the first pelvic condition. the controller sets the switch in the first state in response to, or in preparation of, the execution of the first stimulation program such that electrical stimulation pulses generated by the pulse generator responsive to the execution of the first stimulation program by the at least one processor are delivered through the switch to the first electrode lead;the controller sets the switch in the second state in response to, or in preparation of, the execution of the second stimulation program such that electrical stimulation pulses generated by the pulse generator responsive to the execution of the second stimulation program by the at least one processor are delivered through the switch to the second electrode lead; the stimulation pulses generated by the pulse generator in response to the execution of the first stimulation program are configured to treat a first pelvic condition; and the stimulation pulses produced by the pulse generator in response to the execution of the second stimulation program are configured to treat a second pelvic condition that is different from the first pelvic condition.