(a) If, under the supervision of a licensed physician and surgeon and with the consent of her spouse, a woman conceives through assisted reproduction with semen donated by a man not her husband, the spouse is treated in law as if he or she were the natural parent of a child thereby conceived. The spouse’s consent shall be in writing and signed by both spouses. The physician and surgeon shall certify their signatures and the date of the assisted reproduction procedure, and retain the spouse’s consent as part of the medical record, where it shall be kept confidential and in a sealed file. However, the physician and surgeon’s failure to do so does not affect the parent and child relationship. All papers and records pertaining to the assisted reproduction procedure, whether part of the permanent record of a court or of a file held by the supervising physician and surgeon or elsewhere, are subject to inspection only upon an order of the court for good cause shown.
(b) The donor of semen provided to a licensed physician and surgeon or to a licensed sperm bank for use in assisted reproduction of a woman other than the donor’s spouse is treated in law as if he were not the natural parent of a child thereby conceived, unless otherwise agreed to in a writing signed by the donor and the woman prior to the conception of the child.