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  1. Fertilization | Steps, Process, & Facts | Britannica

    Nov 21, 2025 · Fertilization, union of a paternal sperm nucleus with a maternal egg nucleus to form the primary nucleus of an embryo. In higher organisms the essence of fertilization is the …

  2. What Is Fertilization and How Does It Happen? - What to Expect

    Fertilization is when a man’s sperm combines with a woman's egg to form a single cell. It’s one of the first steps toward pregnancy, but there are more hurdles to cross.

  3. Human fertilization - Wikipedia

    The process of fertilization involves a sperm fusing with an egg cell also known as an ovum. The most common sequence begins with ejaculation during copulation, follows with ovulation, and …

  4. Conception: Fertilization, Process & When It Happens

    Sep 6, 2022 · How does conception occur? Conception (or fertilization) is when sperm and an egg join together. It’s one of the many steps that happen to create a pregnancy.

  5. Understanding the Human Fertilization Process | Blog

    Aug 1, 2025 · In this post, we’ll walk through how fertilization works in humans—step by step—including where it happens, how long an egg is viable, and how this process is …

  6. Fertilization Process: A Detailed Guide to Conception and ...

    May 14, 2025 · From ovulation to the meeting of gametes in the fallopian tube, this guide provides a comprehensive look at how fertilization occurs. Ideal for medical students, researchers, or …

  7. Embryology, Fertilization - StatPearls - NCBI Bookshelf

    Apr 17, 2023 · Fertilization is a complex multi-step process that is complete in 24 hours. The sperm from a male meets an ovum from a female and forms a zygote; this is the point in which …