Abortion, spontaneous

Abortion, spontaneous
A miscarriage, that is, any pregnancy that is not viable (the fetus cannot survive) or in which the fetus is born before the 20th week of pregnancy. Spontaneous abortion occurs in at least 15-20% of all recognized pregnancies and usually takes place before the 13th week of pregnancy. A spontaneous abortion is as opposed to an induced abortion. In a spontaneous abortion, it is purely accidental, that is spontaneous.

Medical dictionary. 2011.

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  • abortion — abor·tion /ə bȯr shən/ n 1: the termination of a pregnancy after, accompanied by, or closely followed by the death of the embryo or fetus; esp: the medical procedure of inducing expulsion of a human fetus to terminate a pregnancy 2: the crime of …   Law dictionary

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  • Abortion — A*bor tion ([.a]*b[^o]r sh[u^]n), n. [L. abortio, fr. aboriri. See {Abort}.] 1. The act of giving premature birth; particularly, the expulsion of the human fetus prematurely, or before it is capable of sustaining life; miscarriage. [1913 Webster] …   The Collaborative International Dictionary of English

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  • Abortion — In medicine, an abortion is the premature exit of the products of conception (the fetus, fetal membranes, and placenta) from the uterus. It is the loss of a pregnancy and does not refer to why that pregnancy was lost. A spontaneous abortion is… …   Medical dictionary

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