The Choice Mom Guide to Sperm includes everything you need to know about sperm and sperm banks but might be afraid (or not aware) to ask. PERK: a comparative chart of policies and prices at 10 sperm banks. Spotlights on two banks who support Choice Mom community resources. Questions addressed: how all sperm banks are NOT created alike (donor limits, open-identity, tracking, motility guarantees, refund policies).... questions to ask a bank before using.... how Choice Moms have chosen their donors... what if you want to make contact with half-siblings? Related resources.