Well, I am absolutely serious and not joking All we know that Sex reassignment therapy is a common thing nowadays. Now imagine some certain male person who saves his sperm in sperm bank. Then this person undergoes Sex reassignment therapy and becomes a full women and then a bit later (s)he receives his (or her?) sperm in her vagina and………….is such self-Fertilization possible? Has this happened before? Can the baby be born? Will the child be healthy?