Abstract
This chapter discusses the etiology of spontaneous abortion. It also discusses the various types of abortion (e.g., threatened, inevitable, complete, and incomplete).
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Keywords
- Etiology of spontaneous abortion
- Threatened abortion
- Inevitable abortion
- Complete abortion
- Incomplete abortion
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1.
Occurs before 20 weeks’ gestation or when fetus weighs <500 g
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2.
Etiology : chromosomal (50–80%), remainder are immunologic mechanisms, maternal infections, endocrine abnormalities (e.g. poorly controlled DM), uterine anomalies, incompetent cervix, debilitating maternal disease, trauma, and possibly environmental exposures (e.g. irradiation, smoking, certain drugs)
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3.
Threatened abortion : uterine bleeding without cervical dilation <20 weeks gestation
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4.
Inevitable abortion: cervical dilation or rupture of membranes without expulsion of fetus or placenta
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5.
Complete abortion : total, spontaneous rupture of fetus and placenta
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6.
Incomplete abortion : partial expulsion of uterine contents
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7.
Rh negative mothers must receive Rho(D) immune globulin to prevent Rh sensitization
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© 2019 Springer Nature Switzerland AG
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Wasson, C., Kelly, A., Ninan, D., Tran, Q. (2019). Spontaneous Abortion. In: Absolute Obstetric Anesthesia Review. Springer, Cham. https://doi.org/10.1007/978-3-319-96980-0_29
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DOI: https://doi.org/10.1007/978-3-319-96980-0_29
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Publisher Name: Springer, Cham
Print ISBN: 978-3-319-96979-4
Online ISBN: 978-3-319-96980-0
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