Abstract
Between 10% and 20% of recognised pregnancies are spontaneously aborted, mostly some time after fetal death has occurred. The actual level of loss described varies with the definitions and methods of ascertainment used, and with the characteristics of the population under study. Embryonic losses in the earliest, clinically unrecognised, stages of pregnancy are considerably more common, but until recently their frequency could only be guessed at. Better estimates are now becoming possible using information from studies of in-vitro fertilisation (IVF) and from the use of very sensitive early pregnancy tests.
Keywords
- Chromosomal Anomaly
- Spontaneous Abortion
- Environmental Hazard
- Maternal Smoking
- Fetal Death
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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© 1992 Springer-Verlag London Limited
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Alberman, E. (1992). Spontaneous Abortions: Epidemiology. In: Stabile, I., Grudzinskas, J.G., Chard, T. (eds) Spontaneous Abortion. Springer, London. https://doi.org/10.1007/978-1-4471-1918-0_2
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DOI: https://doi.org/10.1007/978-1-4471-1918-0_2
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