Updated screening rules for sperm and egg donors came into force on Wednesday that expand donations to sperm banks from more gay and bisexual men. Before the amendment, sperm donors were asked if they were man who had sex with men, while egg donors were asked if they had sex with men who have sex with men. WATCH | IVF access in Canada:Début du widget Widget. Fin du widget Widget. Donor questionsDr. Prati Sharma, a reproductive endocrinology and infertility specialist at Create Fertility Centre in Toronto, said in general, Canada does not have a very large pool of sperm donors.