What to think about when seeking a sperm donor online, in light of 'Joe Donor' case - Fertility doctor may also have used own sperm to impregnate women in Leiden - Leiden hospital investigating whether employee used own sperm to impregnate women - 'Our son died. Now we can use his sperm to have a grandchild' - Dutch serial sperm donor sues 'sensationalist' Netflix - 'My sister-in-law had my baby after sperm donation and now I'm uncle to my biological son' - You wouldn't believe how difficult it is to buy sperm - Fertility doctor and Mormon church leader sued for using own sperm to impregnate IVF patient - The Strange Intimacy of Unregulated Sperm Donations