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Infertility and In Vitro Fertilization. ... Unlike the simpler process of artificial insemination -- in which sperm is placed in the uterus and conception happens otherwise normally -- IVF involves combining eggs and sperm outside the body in a laboratory. Once an embryo or embryos form, they are then placed in the uterus.

B.Mood-altering chemicals derived from plants.
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Regulatory function is one of the three main functions of blood. The regulatory functions of blood include regulating body temperature, body pH, and fluid balance of the body.
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