Conception refers to the process when a sperm and egg unite, resulting in an embryo or fetus .
Other /More definition:
Conception is defined as the moment of fertilization, when a sperm penetrates an ovum, forming a zygote; the union of a sperm cell and an ovum that occurs when the chromosomes of each of these cells combine to form 23 new pairs.
Moreover, Conception is the process of becoming pregnant; the process by which a sperm cell joins with an ovum to begin a new life.
List of books: Conception