A health care practitioner licensed under the Health Occupations Article who treats individuals for infertility shall: provide individuals with information sufficient to enable them to make an informed and voluntary choice regarding the disposition of any unused material; and present to individuals the option of: storing or discarding any unused material; donating any unused material for clinical purposes in the treatment of infertility; except as provided in subsection (b) of this section, donating any unused material for research purposes; and donating any unused material for adoption purposes. Any unused material donated for State-funded stem cell research may not be an oocyte. An individual who donates any unused material for research purposes under subsection (a)(2) of this section shall provide the health care practitioner with written consent for the donation.