(1) A qualified patient may make decisions regarding life-sustaining treatment so long as the patient is able to do so.
(2) This chapter does not affect the responsibility of the attending physician, attending advanced practice registered nurse, or other health care provider to provide treatment, including nutrition and hydration, for a patient's comfort care or alleviation of pain.
(3) Life-sustaining treatment cannot be withheld or withdrawn pursuant to a declaration from an individual known to the attending physician or attending advanced practice registered nurse to be pregnant so long as it is probable that the fetus will develop to the point of live birth with continued application of life-sustaining treatment.