Social, philosophical and medical doctrine by which it is assumed that the offspring of a species can be controlled by selecting its best offspring, discarding the less suitable, or preventing its birth. By its etymology, today it can also encompass techniques and methods to improve gestation, childbirth and newborn care, since it has a Greek origin since 949; 965; ( eu , "good" ) 947; 949; 957; 959; 962; ( genos "birth, origin" ) the suffix -ism .
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