Abstract:
BACKGROUND:Few studies have examined smoking prior to pregnancy and the occurrence of spontaneous abortion, as most studies have addressed the risk of spontaneous abortion in relation to smoking during pregnancy. However, results are not entirely consistent. The aim of the present study was to assess the risk of spontaneous abortion considering smoking prior to pregnancy. METHODS:We performed a nested case-control study using prospective data from a population-based cohort comprising 11,088 women aged 20-29 years. From this cohort, women who experienced either a spontaneous abortion (n=343) or who gave birth (n=1,578) during follow-up were selected. Associations between self-reported smoking at enrollment and subsequent spontaneous abortion were analyzed by means of multiple logistic regression. RESULTS:The risk of spontaneous abortion in relation to pre-pregnancy smoking showed a clear dose-response effect. The adjusted odds ratio (95% confidence interval) for spontaneous abortion among current smokers prior to conception was 1.20 (1.04-1.39) per every extra five cigarettes smoked per day. The increased risk was only present for current smokers. The duration of smoking prior to pregnancy was not a significant predictor for subsequent spontaneous abortion. CONCLUSIONS:The amount of daily smoking prior to pregnancy seems to be associated with an increased risk of spontaneous abortion, whereas the duration of smoking does not seem to be related to an increased risk of spontaneous abortion.
journal_name
Acta Obstet Gynecol Scandjournal_title
Acta obstetricia et gynecologica Scandinavicaauthors
Nielsen A,Hannibal CG,Lindekilde BE,Tolstrup J,Frederiksen K,Munk C,Bergholt T,Buss L,Ottesen B,Grønbaek M,Kjaer SKdoi
10.1080/00016340600589560subject
Has Abstractpub_date
2006-01-01 00:00:00pages
1057-65issue
9eissn
0001-6349issn
1600-0412pii
752073438journal_volume
85pub_type
杂志文章abstract:OBJECTIVE:Aim of the study was to assess the behavior of factor VII by commercial amidolytic assay in smoking and non-smoking pregnant women, and to compare this with the earlier reported factor VII:C levels during pregnancy and to discuss the role of F VII:Am with regard to thromboembolic complication in smoking pregn...
journal_title:Acta obstetricia et gynecologica Scandinavica
pub_type: 杂志文章
doi:10.3109/00016349709047819
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abstract:BACKGROUND:The objectives of this paper were to assess the prevalence of different viral infections in relation to late abortions, stillbirths, and congenital malformations in sera from Russian pregnant women and recurrent aborters in order to establish basic knowledge for future pregnancy care. METHODS:Patients were ...
journal_title:Acta obstetricia et gynecologica Scandinavica
pub_type: 杂志文章
doi:10.1034/j.1600-0412.2001.801110.x
更新日期:2001-11-01 00:00:00
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journal_title:Acta obstetricia et gynecologica Scandinavica
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abstract:BACKGROUND:Traditional monitoring of an in vitro fertilization (IVF) treatment cycle includes regular estradiol levels and ultrasound scans in an attempt to reduce the risk of ovarian hyperstimulation syndrome (OHSS). The need for estradiol monitoring remains controversial. METHODS:We reviewed 538 consecutive cycles o...
journal_title:Acta obstetricia et gynecologica Scandinavica
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doi:10.1034/j.1600-0412.2002.810613.x
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abstract::In order to evaluate the influence of bladder filling at the beginning of a 40 minutes pad test, 71 women completed this study. Thirty-six patients were randomized to pretest filling of the bladder to 50% of the bladder capacity, and 35 patients to 75% pretest filling. In all patients, a retest was performed approxima...
journal_title:Acta obstetricia et gynecologica Scandinavica
pub_type: 临床试验,杂志文章,随机对照试验
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abstract:BACKGROUND:The rate of cesarean section (CS) is increasing in Sweden as well as in most of the industrialized world. One of the most common indications for emergency CS is protracted labor. To what extent fetal pelvic disproportion is a cause of protracted labor is unclear. The value of pelvimetry has been questioned. ...
journal_title:Acta obstetricia et gynecologica Scandinavica
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journal_title:Acta obstetricia et gynecologica Scandinavica
pub_type: 临床试验,杂志文章
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journal_title:Acta obstetricia et gynecologica Scandinavica
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journal_title:Acta obstetricia et gynecologica Scandinavica
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journal_title:Acta obstetricia et gynecologica Scandinavica
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更新日期:1988-01-01 00:00:00
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journal_title:Acta obstetricia et gynecologica Scandinavica
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更新日期:1998-09-01 00:00:00
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