The influence of demographic change and cumulative risk of pelvic inflammatory disease on the incidence of ectopic pregnancy

Ian Simms*, P. A. Rogers, A. Nicoll

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    21 Citations (Scopus)

    Abstract

    A retrospective study was carried out to determine the recent epidemiology of ectopic pregnancy in England between the biennial years 1988/9 and 1992/3. The number of ectopic pregnancy cases were combined with numbers of conceptions and the rates analysed for trend over time. The incidence of ectopic pregnancy rose significantly (P = 0.05) over this period. However, this could be entirely explained by increasing numbers of births in older women and a highly significant positive association was found between risk of ectopic pregnancy and maternal age (P < 0.0001). Over the study period the incidence of ectopic pregnancy in women aged 40 years or more was over 14 times that observed in those under 16 years of age. It is suggested that this reflects cumulative risk of acquiring pelvic inflammatory disease. The surveillance of ectopic pregnancy provides a useful indicator of the level of reproductive morbidity in women.

    Original languageEnglish
    Pages (from-to)49-52
    Number of pages4
    JournalEpidemiology and Infection
    Volume119
    Issue number1
    DOIs
    Publication statusPublished - Aug 1997

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