Question: Do we understand from breathing the soul into the fetus after four months, that the zygote formed by the union of the male sperm and the female ovum, from which the embryo develops, is without a soul, or what?
Answer: For each, the sperm and the ovum, is a form of life that suits it. If they are not damaged, they will be prepared to unite with each other, with the Permission and Predestination of Allaah. When this happens an embryo is formed, if Allaah wills. The embryo will also have a life of its own, which suits it, during which it grows and develops through the known stages… read more here.