Prenatal life is the period of development between conception and birth. During this time, the fertilized egg undergoes a series of complex processes to form a full-grown fetus. The duration of this process varies from species to species but in humans, it takes approximately nine months for the fetus to develop.
The first trimester of pregnancy is characterized by the formation of the placenta which provides nourishment and oxygen to the fetus. The embryo undergoes rapid cell division and differentiation, and by the end of this trimester, all major organs and structures are formed.
The second trimester is a period of continued growth and maturation. During this time, the fetus gains weight, grows hair, and develops its sensory organs. The mother may feel movement from the baby during this trimester as the fetus becomes more active.
The final trimester is a period of rapid growth and preparation for birth. The fetus gains weight and size rapidly, the lungs mature, and the baby moves into the proper position for birth. The mother may experience Braxton Hicks contractions as her body prepares for delivery.
Overall, prenatal life is a critical period of development that sets the foundation for a healthy life. Proper nutrition, exercise, and care during this period can have significant long-term benefits for both the mother and child.
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