But controversy remains in the very low success rates in IVF, and in the disputes that can arise over legal paternity between a child's biological and iron-biological parents.
But controversy remains in the very low success rates in IVF, and in the disputes that can arise over legal paternity between a child's biological and iron-biological parents.
但是，由于体外授精技术成功率极低，以及在孩子的生身父母与养父母之间会产生有关合法父亲的争执，所以对此项技术的争议仍然存在。