spontaneous abortion


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Related to spontaneous abortion: induced abortion, missed abortion

spontaneous abortion

[spän′tā·nē·əs ə′bȯr·shən]
(medicine)
An unexpected, premature expulsion of the fetus. Also known as miscarriage.
References in periodicals archive ?
Despite these limitations, the results suggest a number of risk factors for the provider to examine with patients who have experienced a spontaneous abortion.
However, these data do call for continued surveillance for the safety of each seasonal formulation of influenza vaccine, and for further exploration of the association between repeat vaccination and spontaneous abortion in other datasets.
Excessive inflammation, in turn, may cause spontaneous abortion.
It is estimated that 8% of pregnancies ended in clinically recognized spontaneous abortion and this rate is estimated up to one third in clinically unrecognized pregnancies.
In a study conducted by Garcia et al bleeding heralded spontaneous abortions in 85.
A large cohort study involving 1079 fluconazole-exposed pregnancies and 170,453 unexposed pregnancies found no increased risk of congenital malformations or stillbirth; rates of spontaneous abortion and miscarriage were not evaluated.
Results showed that the rate of spontaneous abortion was higher for natalizumab-exposed pregnancies, at 18.
trachomatis infection among two groups of pregnant women (normal pregnancy and spontaneous abortion) and its association with spontaneous abortion.
A cross sectional study in women with spontaneous abortion was carried out at the Hospital Comunitario in the City of Ticul (January to June 2008) and at the Hospital Materno Infantil in City of Merida (February to June 2009), both located in the state of Yucatan, Mexico.
Sample Size: In total 120 women were included in the study 60 with history of spontaneous abortion (Study group) and 60 without Bad obstetric history (BOH) (Control group).
Studies that fulfilled the following a priori eligibility criteria were included if the study a) was an original study; b) was a cross-sectional, or a case-control or a cohort design; c) reported on any one or more of the following outcomes: spontaneous abortion, stillbirth, preterm delivery, birth weight, and neonatal/infant mortality; and d) presented data on arsenic exposure determined using environmental measures (arsenic in drinking water or airborne arsenic, or arsenic in soil), biomarkers, or indirect measures (e.