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  1. 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 finishes with …

  2. 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.

  3. What Are the Steps of Fertilization in Humans? - inviTRA

    Apr 10, 2024 · Fertilization of the egg is essential for pregnancy to occur. The union of the egg and sperm can occur naturally in the fallopian tubes or in vitro in the laboratory. Once the egg is fertilized, …

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

    Nov 21, 2025 · In mammals, eggs are released by the ovaries. If an egg meets a sperm cell, it may become fertilized. The fertilized egg travels to the uterus, where it grows and develops into a new …

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

    Contrary to what many people believe, fertilization doesn’t occur immediately after sex. Sperm can reach the egg in about an hour, while the entire fertilization process can take several hours.

  6. 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 replicated during in vitro …

  7. Fertilization Process: A Detailed Guide to Conception and Reproduction

    May 14, 2025 · The process of fertilization is a critical step in human reproduction, marking the beginning of new life as a sperm and egg unite. This diagram illustrates the journey of sperm through …

  8. Step-by-Step Guide: How Human Fertilization Takes Place

    May 27, 2025 · Discover how human fertilization happens step by step from ovulation to conception. Learn the science behind creating new life in a simple, clear way.

  9. FertilizationHuman Reproduction: A Clinical Approach

    Fertilization is the process by which gametes (an egg and sperm) fuse to form a zygote. Through it, a number of steps and reactions occur. During ejaculation, hundreds of millions of sperm …

  10. 28.1 Fertilization – Anatomy & Physiology 2e

    Fertilization occurs when a sperm and an oocyte (egg) combine and their nuclei fuse. Because each of these reproductive cells is a haploid cell containing half of the genetic material needed to form a …