Describe in brief prenatal growth.

Prenatal growth refers to the developmental stages and changes that occur from conception to birth. This period is crucial for human development, as it lays the foundation for future growth and health. Prenatal growth is generally divided into three main stages: the germinal stage, the embryonic stage, and the fetal stage. Each stage is characterized by specific developmental milestones and changes.

Germinal Stage (Weeks 1-2)

The germinal stage begins at conception when a sperm fertilizes an egg, forming a zygote. This single cell undergoes rapid cell division, a process called cleavage, as it travels down the fallopian tube toward the uterus. By the end of the first week, the zygote has divided multiple times to form a blastocyst, a hollow ball of cells.

Once the blastocyst reaches the uterus, it undergoes implantation, where ______ _________ ______ _______ _________ _______.
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