Explain the development of zygote to foetus
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Stages of Pregnancy. Although pregnancy involves a continuous process, it is divided into three 3-month periods called trimesters (weeks 0 to 12, 13 to 24, and 25 to delivery). The fertilized egg (zygote) begins to develop into a hollow ball of cells called the blastocyst. The blastocyst implants in the wall of uterus.
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Answer:Hii (a zygote is unconditional of sperm cell and egg cell,also know as fertilized ovum, the zygote begins as a single cell but divides rapidly in the following fertilization, zygote eventually becomes an embryo, if this goes well, the embryo becomes a foetus... )
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