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Bookmark or Share- Fetal Development: Week-by-Week Stages of Pregnancy - Cleveland ClinicThe fetal stage of development begins around the ninth week and lasts until birth. This is when the embryo officially turns into a fetus. The fetus gets its assigned sex around nine weeks of pregnancy, although your healthcare provider can’t detect it on ultrasound yet.
- Stages of Development of the Fetus - Women's Health Issues - Merck ...A baby goes through several stages of development, beginning as a fertilized egg. The egg develops into a blastocyst, an embryo, then a fetus. Fertilization. During each normal menstrual cycle, one egg (ovum) is usually released from one of the ovaries, about 14 days after the last menstrual period. Release of the egg is called ovulation.
- 3 Prenatal Development Stages - Verywell MindThe first stage, known as the germinal stage, involves the formation of the zygote and early cell division. The second stage, called the embryonic stage, involves the early growth of the embryo, including the formation of the neural tube, which will eventually become the brain and spinal cord.
- Embryonic development review (article) | Khan AcademyStages of development of the fetus at the end of each trimester. This article reviews the stages of embryonic development during human pregnancy. Key terms. What happens during pregnancy? Have you ever wondered why a typical human pregnancy lasts about 9 months? What goes on in there? Do all animals carry their babies for 9 months? 20 22.
- 14.3: Embryonic Development - Biology LibreTextsA developing human is referred to as an embryo during weeks 3–8, and a fetus from the ninth week of gestation until birth. In this section, we’ll cover the pre-embryonic and embryonic stages of development, which are characterized by cell division, migration, and differentiation.
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