There are three stages of fetal development: germinal, embryonic and fetal. Most people don’t talk about their pregnancy in these terms, but it can be helpful to know.

Human embryonic development covers the first eight weeks of development, which have 23 stages, called Carnegie stages. At the beginning of the ninth week, the embryo is termed a fetus (spelled …

Apr 10, 2025 · Curious about how your baby is developing in the womb? Here's a breakdown of fetal development week by week.

Use the stage number links to images and information about each specific stage of human development over the first 8 weeks. The links below give a broad overview of developmental events during each …

May 12, 2025 · This diagram of human embryonic and fetal development offers a detailed look at the stages from fertilization to 20 weeks. It serves as a valuable tool for understanding prenatal growth, …

It can be subdivided into distinct gestational periods. The first 2 weeks of prenatal development are referred to as the pre-embryonic stage. A developing human is referred to as an embryo during …

Comprehensive guide to embryo and fetal development from Week 1 to 40. Learn about the Germinal, Embryonic, and Fetal stages, key milestones, and critical factors for a healthy pregnancy.

Jul 23, 2025 · Understand the sequential development within the embryonic period, where cells differentiate to form the body plan and all major organ systems are established.

Prenatal development, the process encompassing the period from the formation of an embryo, through the development of a fetus, to birth. This process can be divided into three distinct stages: the pre …

The main stages of human embryonic development include fertilization, segmentation, blastocyst formation, implantation, gastrulation, neurulation, and organogenesis.