scholarly journals Risk of Spontaneous Abortion in Italy, 1978-1995, and the Effect of Maternal Age, Gravidity, Marital Status, and Education

2000 ◽  
Vol 151 (1) ◽  
pp. 98-105 ◽  
Author(s):  
J. F. Osborn ◽  
M. S. Cattaruzza ◽  
A. Spinelli
Keyword(s):  
Marital Status ◽  
Spontaneous Abortion ◽  
Maternal Age

Reduced spontaneous abortion and increased live birth rate after PGD for advanced maternal age

2007 ◽  
Vol 88 ◽  
pp. S85-S86 ◽  
Author(s):  
S. Munne ◽  
J. Garrisi ◽  
F. Barnes ◽  
L. Werlin ◽  
W. Schoolcraft ◽  
...  
Keyword(s):  
Spontaneous Abortion ◽  
Live Birth ◽  
Maternal Age ◽  
Birth Rate ◽  
Live Birth Rate ◽  
Advanced Maternal Age

Spontaneous Abortion and Birth Order

1974 ◽  
Vol 6 (1) ◽  
pp. 23-41 ◽  
Author(s):  
William H. James
Keyword(s):  
Birth Order ◽  
Spontaneous Abortion ◽  
Maternal Age ◽  
Order Effect ◽  
Pathological Examination ◽  
Spontaneous Abortions ◽  
Birth Rank ◽  
Individual Woman ◽  
Reproductive Life ◽  
Reproductive Compensation

SummaryIt is well established that, in general, pregnancies at advanced maternal ages or of advanced birth order are at greater risk of aborting spontaneously. It does not follow that each individual woman, as she proceeds through her reproductive life, becomes steadily more prone to abort. The present paper attempts to analyse evidence on how individual women's abortion probabilities vary during their reproductive lives. Statistical examination of the data suggests that:1. A spontaneous abortion in a given birth rank is more likely than a live birth in the same rank to be followed by a further pregnancy. Abortion-prone women have more pregnancies than other women.2. There is no significant overall tendency for spontaneous abortions to appear early or late in sibships even when account is taken of the reproductive compensation reported above.3. Pathological examination of spontaneously aborted fetuses suggests that more (perhaps many more) than 10% of spontaneous abortions (e.g. those associated with trisomy and maternal isoimmunization) are causally associated with advanced maternal age or birth order.4. The mean maternal age of spontaneously aborted fetuses which fail to grow in culture is higher than that of fetuses which are successfully cultured.One would infer:A. (from suggestions 1 and 2 above) that reproductive compensation (rather than a real birth order effect) is a major reason why abortion rates are higher at higher maternal ages and higher birth ranks;B. (from suggestions 2 and 3 above) that there must be another group of abortions, roughly equal in number, which are causally associated with low maternal age or early birth order.Little is known about this second group of reproductive casualties (those associated with low birth order or maternal age), but it is suggested that some have CNS malformations. I have made similar suggestions in regard to stillbirth and neonatal death.

scholarly journals Risk factors associated with spontaneous abortion in Dr. Soetomo General Hospital Surabaya: a case-control study

2021 ◽  
Vol 7 (1) ◽  
pp. 65-80
Author(s):  
Safira Zakira ◽  
Gatut Hardianto
Keyword(s):  
Risk Factors ◽  
General Hospital ◽  
Spontaneous Abortion ◽  
Maternal Death ◽  
Maternal Age ◽  
Case Control ◽  
Bivariate Analysis ◽  
Factors Associated ◽  
History Of ◽  
Maternal Disease

The Maternal Mortality Ratio (MMR) in Indonesia is still fairly high. One of the top three causes of maternal death is bleeding. Spontaneous abortion is an early pregnancy problem leading to the occurrence of bleeding and direct maternal death. The causes of spontaneous abortion vary and can be caused by multiple factors. Early identification of risk factors is necessary to reduce mortality and morbidity due to spontaneous abortion and its complications. This study's objective was to identify the risk factors of spontaneous abortion in Dr. Soetomo General Hospital. This study was an observational analytic with a case-control approach. The population was all pregnant women hospitalized at the Obstetrics and Gynaecology Department in Dr. Soetomo General Hospital from January 2017 to December 2018. The samples were 120 in total, included  40 cases and 80 controls taken by consecutive sampling. The data were analyzed using univariate and bivariate analysis with the Chi-square test. The results based on the bivariate analysis showed history of previous abortion (p <0.001), chronic maternal disease (p <0.001), hemoglobin levels (p = 0.020), maternal age (p= 0.026), gravidity (p= 0.036), and  infection (p= 0.037) had significant correlation with spontaneous abortion. In conclusion, risk factors associated with spontaneous abortion in Dr. Soetomo General Hospital were history of previous abortion, chronic maternal disease, anemia, advanced maternal age, multigravidity, and infection. Positive pregnancy outcomes are expected to play a role in reducing MMR in Indonesia. Therefore, high-risk pregnant women are suggested to carry out regular Antenatal care recommendations with intensive supervision.

scholarly journals Spontaneous abortion rate and advanced maternal age: consequences for prenatal diagnosis

The Lancet ◽  
1990 ◽  
Vol 336 (8706) ◽  
pp. 27-29 ◽  
Author(s):  
T.E. Cohen-Overbeek ◽  
M. den Ouden ◽  
L. Pijpers ◽  
M.G.J. Jahoda ◽  
J.W. Wladimiroff ◽  
...  
Keyword(s):  
Prenatal Diagnosis ◽  
Spontaneous Abortion ◽  
Maternal Age ◽  
Advanced Maternal Age ◽  
Abortion Rate

scholarly journals Statistical Retrospective Analysis of Spontaneous Abortions in Sidi Bel Abbes Region

2020 ◽  
Vol 10 (3) ◽  
pp. 202-206
Author(s):  
Sarah Mellali ◽  
Khadidja Haoud ◽  
Mohammed el amin Bouguetaia ◽  
Mustapha Diaf
Keyword(s):  
Risk Factors ◽  
Retrospective Analysis ◽  
Epidemiological Study ◽  
Spontaneous Abortion ◽  
Maternal Age ◽  
Pregnancy Loss ◽  
Fetal Loss ◽  
Modifiable Risk Factors ◽  
Spontaneous Abortions ◽  
Unbalanced Designs

Objective: The aim of our study was to identify modifiable risk factors for miscarriage and to estimate the preventable proportion of miscarriages that could be attributed to these risks. Materials and Method: We carried out an epidemiological study of pregnancy loss in the Sidi Bel Abbes region from 2010 to 2015, with a total of 54720 livebirths and 4349 of spontaneous abortions (SA). The risk of spontaneous abortion related to the fetal loss age, maternal age; parity and previous spontaneous abortions was studied. Results: The rate of spontaneous abortions varies between 7% and 9% and appears to remain constant over the six years, with an average incidence of 8%. We also observed a significant increase in the incidence of SA with the increase in maternal age. 77% of SA occurred before 12 weeks of gestation. The peak incidence occurred during the second month of pregnancy, between 6th and 10th, the rate of AS is the highest among primigests. The incidence of SRA in our study is within the range suggested by these different studies, with a SRA rate of 5%. Fetal loss is high in women in their late 30s or older, irrespective of reproductive history. Conclusion: The fact remains that the risk factors remain the same, namely, the increase in maternal age (inducing an increase in chromosomally unbalanced designs) and primigestity. Keywords: Spontaneous, abortion, epidemiological, study, risk, factors.

Effect of maternal age on spontaneous abortion during the first trimester in Northeast China

2017 ◽  
Vol 31 (14) ◽  
pp. 1824-1829 ◽  
Author(s):  
Rulin Dai ◽  
Linlin Li ◽  
Haibo Zhu ◽  
Dongfeng Geng ◽  
Shu Deng ◽  
...  
Keyword(s):  
Spontaneous Abortion ◽  
Northeast China ◽  
Maternal Age ◽  
First Trimester

scholarly journals The Etiology of Human Dizygotic Twinning With Special Reference to Spontaneous Abortions

1979 ◽  
Vol 28 (4) ◽  
pp. 252-258
Author(s):  
Denis Hémon ◽  
Colette Berger ◽  
Philippe Lazar
Keyword(s):  
Menstrual Cycle ◽  
Special Reference ◽  
Spontaneous Abortion ◽  
Oral Contraceptives ◽  
Maternal Age ◽  
Maternal Exposure ◽  
Spontaneous Abortions ◽  
Maternal Height ◽  
Maternal Weight ◽  
The Relationship

The comparison of 622 twin and 622 singleton births allowed us to confirm the association of dizygotic twinning with maternal age, parity, and maternal weight and height, as well as the occurrence of unlike-sex twins in the mother's family. It was also shown that none of these associations, except for maternal height, can be explained by the others. Dizygotic twinning was also found to be negatively correlated with previous use of oral contraceptives and with irregularity of menstrual cycle. Finally, the relationship between spontaneous abortion in previous pregnancies and maternal exposure to medical irradiation was investigated.

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