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A spontaneous abortion is the loss of a fetus during pregnancy due to natural causes. The term "miscarriage" is the spontaneous termination of a pregnancy before fetal development has reached 20 weeks. Pregnancy losses after the 20th week are categorized as preterm deliveries. The term "spontaneous abortion" refers to naturally occurring events, not elective or therapeutic abortion procedures. Other terms include: missed abortion (a pregnancy demise where nothing is expelled) incomplete abortion (not all of the products of conception are expelled) complete abortion (all of the products of conception are expelled) threatened abortion (symptoms indicate a miscarriage is possible) inevitable abortion (the symptoms cannot be stopped, and a miscarriage will happen) infected abortion
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Miscarriage is common, but finding its cause may not be easy. If a cause can be found, it’s likely to be a problem with the baby or the structure of the uterus.
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Miscarriage means loss of an embryo or fetus before the 20th week of pregnancy . Most miscarriages occur during the first 14 weeks of pregnancy.
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A miscarriage is the loss of an embryo or fetus before the twentieth week of pregnancy . A pregnancy loss after the twentieth week is called a stillbirth.
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