Medical Dictionary


noun abor·tion \ə-ˈbr-shən\

Medical Definition of ABORTION

:  the termination of a pregnancy after, accompanied by, resulting in, or closely followed by the death of the embryo or fetus: a :  spontaneous expulsion of a human fetus during the first 12 weeks of gestation—compare miscarriage b :  induced expulsion of a human fetus c :  expulsion of a fetus of a domestic animal often due to infection at any time before completion of pregnancy—see contagious abortion, trichomoniasis b, vibrionic abortion
:  arrest of development of an organ so that it remains imperfect or is absorbed
:  the arrest of a disease in its earliest stage <abortion of a cold>
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