Part of the forms you sign when you do IVF is detailing what should happen to the embryos if you both of you die, in fact. From what I recall the options were

Part of the forms you sign when you do IVF is detailing what should happen to the embryos if you both of you die, in fact. From what I recall the options were to destroy them, donate them (to couples wanting to conceive), or pass on the ownership to someone else.