#fetaldevelopment #humanbody Fetal growth and embryonic development encompass the various stages from conception to birth. This article examines the critical milestones in the development of a fetus. Week 1-2: Conception and Early Development The fertilized egg, or zygote, undergoes rapid cell division, forming a blastocyst that implants into the uterine wall, marking the start of pregnancy. Week 3: Formation of the Embryo The blastocyst forms three layers: ectoderm, mesoderm, and endoderm, whic

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