An implantable device for bladder control management, the implantable device comprising: a body having a proximal end and a distal end and configured to be implanted within a bladder of a patient at least one pressure sensor (115, 320, 420, 520) positioned along a portion of the body, the pressure sensor configured to generate a plurality of pressure measurement signals as functions of pressure imparted upon the pressure sensor (115, 320, 420, 520); a processor mounted on the body and electrically coupled to the at least one pressure sensor (115, 320, 420, 520), the processor configured to wirelessly transmit the pressure measurement signals to an external computing device (240, 535) for subsequent output of a level of urine within the bladder based on one or more of the pressure measurement signals; a retaining member positioned along a portion of the body, the retaining member configured to transition between an expanded configuration to retain the implantable device within the bladder and a collapsed configuration to allow the implantable device to be received within and passed through the bladder neck and urethra, and wherein the proximal end of the implantable device comprises an attachment mechanism configured to engage a corresponding attachment mechanism on a positioning catheter for positioning and retrieving the implantable device; wherein a portion of the body comprises a lumen (310, 410, 525) extending towards the proximal end and is configured to allow fluid to flow therethrough, the lumen (310, 410, 525) is in fluid communication with an opening defined along a portion of the body; a valve member (120, 210, 530, 605, 630, 755, 805) in fluid communication with the lumen (310, 410, 525) and electrically coupled to the processor; and wherein, upon receiving input from the external computing device (240, 535), the processor is configured to control operation of the valve (120, 210, 530, 605, 630, 755, 805) to transition between an open position and a closed position, and any number of positions there between, to thereby control flow of fluid through the lumen (310, 410, 525). a body having a proximal end and a distal end and configured to be implanted within a bladder of a patient at least one pressure sensor (115, 320, 420, 520) positioned along a portion of the body, the pressure sensor configured to generate a plurality of pressure measurement signals as functions of pressure imparted upon the pressure sensor (115, 320, 420, 520); a processor mounted on the body and electrically coupled to the at least one pressure sensor (115, 320, 420, 520), the processor configured to wirelessly transmit the pressure measurement signals to an external computing device (240, 535) for subsequent output of a level of urine within the bladder based on one or more of the pressure measurement signals; a retaining member positioned along a portion of the body, the retaining member configured to transition between an expanded configuration to retain the implantable device within the bladder and a collapsed configuration to allow the implantable device to be received within and passed through the bladder neck and urethra, and wherein the proximal end of the implantable device comprises an attachment mechanism configured to engage a corresponding attachment mechanism on a positioning catheter for positioning and retrieving the implantable device; wherein a portion of the body comprises a lumen (310, 410, 525) extending towards the proximal end and is configured to allow fluid to flow therethrough, the lumen (310, 410, 525) is in fluid communication with an opening defined along a portion of the body; a valve member (120, 210, 530, 605, 630, 755, 805) in fluid communication with the lumen (310, 410, 525) and electrically coupled to the processor; and wherein, upon receiving input from the external computing device (240, 535), the processor is configured to control operation of the valve (120, 210, 530, 605, 630, 755, 805) to transition between an open position and a closed position, and any number of positions there between, to thereby control flow of fluid through the lumen (310, 410, 525).