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A day is the time needed for
Vaccine
A biological preparation that provides active acquired immunity to a particular infectious disease.
First Stage
Often refers to the initial phase of a multi-phase process, such as the first stage of development or the first stage in a sequence of events.
Labor
The physical and mental effort used in the process of production, or the act of giving birth.
Rh Incompatibility
Rh incompatibility is a condition that occurs during pregnancy if a mother's Rh blood type is negative and her fetus's Rh blood type is positive, potentially leading to hemolytic disease of the newborn.
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