title: Association between HIV-1 infection and miscarriage: a retrospective study. DIANAIDS Collaborative Study Group. Diagnosi Iniziale Anomalie Neoplastiche AIDS.
abstract: OBJECTIVE
  To determine the role of HIV-1 infection on miscarriage, we compared the obstetric histories of a cohort of HIV-1-infected and uninfected Italian women.
  
  
  METHODS
  Retrospective study.
  
  
  METHODS
  The study participants were women (with at least one reproductive event) with HIV-1 infection or HIV-1-negative sharing the same exposure modalities; all women were attending a network of 16 infectious disease units in 12 Italian cities. Trained interviewers used a standard questionnaire to collect information on obstetric history [i.e., number of pregnancies, pregnancy outcome (live birth, spontaneous or induced abortion) and time of occurrence of these events (i.e., year of birth)]. The association between spontaneous abortion and HIV-1 status at the time of pregnancy was evaluated.
  
  
  RESULTS
  The analysis included 272 women and accounted for 480 pregnancies (217 in HIV-infected women, 132 in uninfected women and 131 in women with undefined HIV status) and 60 miscarriages (23 in HIV-infected women, 22 in uninfected women and 15 in women with undefined HIV status). We estimated an adjusted odds ratio of 1.67 between spontaneous abortion and HIV-1 infection.
  
  
  CONCLUSIONS
  We observed a 67% increase in risk of spontaneous abortion among HIV-1-infected women compared with HIV-1-negative women. This result should be considered in the counselling and management of women with HIV-1 infection who are of reproductive age.
authors.affiliation: Centro di Riferimento AIDS--Servizio di Epidemiologia delle Malattie Infettive, Istituto di Ricoveroe Cura a Carrattere Scientifico Lazzaro Spallanzani Hospital, Rome, Italy.
authors.forename: C
authors.initials: C
authors.lastname: D'Ubaldo
authors.forename: P
authors.initials: P
authors.lastname: Pezzotti
authors.forename: G
authors.initials: G
authors.lastname: Rezza
authors.forename: M
authors.initials: M
authors.lastname: Branca
authors.forename: G
authors.initials: G
authors.lastname: Ippolito
mesh_terms: D000022:Abortion, Spontaneous / Q000821:virology*; D015331:Cohort Studies; D005260:Female; D015658:HIV Infections / Q000150:complications*; D015497:HIV-1; D006801:Humans; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious; D012189:Retrospective Studies