title: [Risk factors for tubal infertility in child-bearing aged women: a hospital-based case-control study].
abstract: OBJECTIVE
  To identify the risk factors for tubal infertility in child-bearing aged women in Chengdu, China and by so doing, prevent its occur.
  
  
  METHODS
  Sixty consecutively hospitalized female patients suffering from tubal infertility were recruited as cases, and 60 pregnant women hospitalized in the same hospital were selected as controls. A structured questionnaire was used to identify the general characteristics, sexual activity, reproductive and contraceptive history, hygiene habit, and previous history of disease. Univariate and multivariate analyses were used to analyze the data thus collected.
  
  
  RESULTS
  In comparison with the controls, the members of the case group had their first coitus, got married, and had their first pregnancy at earlier age; they trended to have more than one sexual partner, and have sex and be pregnant before marriage; a higher proportion of them had history of natural or induced abortion during their first pregnancy, and history of vaginitis, previous chronic abdominal pain without treatment and tuberculosis etc; and they use condom less regularly. logistic regression after adjusted for other variables, the variables significantly associated with tubal infertility were previous history of untreated chronic lower abdominal pain of unknown cause (OR = 9.88, 95% CI = 2.66 approximately 36.72), age of first coitus (OR = 0.64, 95% CI = 0.50 approximately 0.81), and history of tuberculosis (OR = 21.80, 95% CI = 3.36 approximately 141.56).
  
  
  CONCLUSIONS
  Unexplained abdominal pain and tuberculosis are the risk factors for tubal infertility while increased age at first coitus is protect protective factor for tubal infertility.
authors.affiliation: Department of Obstetrics and Gynecology, the Second Teaching Hospital, West China University of Medical Sciences, Chengdu 610041, China.
authors.forename: L
authors.initials: L
authors.lastname: Xu
authors.forename: H
authors.initials: H
authors.lastname: Liu
authors.forename: Q
authors.initials: Q
authors.lastname: Liu
mesh_terms: D000328:Adult; D000367:Age Factors; D016022:Case-Control Studies; D003075:Coitus; D005184:Fallopian Tube Diseases / Q000150:complications*; D005260:Female; D006801:Humans; D007247:Infertility, Female / Q000209:etiology*; D016015:Logistic Models; D008393:Marriage; D008598:Menstruation; D011247:Pregnancy; D012307:Risk Factors; D012725:Sexual Behavior; D012747:Sexual Partners; D013997:Time Factors