Which factors play a role in clinical decision-making in subfertility?

Jan Willem van der Steeg*, Pieternel Steures, Marinus J.C. Eijkemans, J. Dik F. Habbema, Patrick M.M. Bossuyt, Peter G.A. Hompes, Fulco van der Veen, Ben W.J. Mol

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

Sixteen vignettes of subfertile couples were constructed by varying fertility history, post-coital test, sperm motility, FSH concentration and Chlamydia antibody titre (CAT). Thirty-five gynaecologists estimated probabilities of treatment-independent pregnancy, intrauterine insemination (IUI) and IVF. Thereafter, they chose IUI, IVF or no treatment. The relative contribution of each factor to probability estimates and to subsequent treatment decisions was calculated. Duration of subfertility and maternal age were the most important contributors for gynaecologists' estimates of treatment-independent pregnancy [relative contribution (RC) 41, 26%]. Maternal age and FSH concentration were the most important contributors in the estimates for IUI (RC: 51, 25%) and for IVF (RC: 64, 31%). The decision to start IVF was mainly determined by maternal age, duration of subfertility, FSH concentration and CAT. The relative contribution of maternal age and duration of subfertility was in concordance with existing prediction models, whereas previous pregnancy and FSH concentration were under- and overestimated respectively. In conclusion, maternal age, duration of subfertility and FSH concentration are the main factors in clinical decision-making in subfertility. Gynaecologists overestimate the importance of FSH concentration, but underestimate that of a previous pregnancy, as compared with their importance reported in prediction models and guidelines.

Original languageEnglish
Article number2124
Pages (from-to)473-480
Number of pages8
JournalReproductive Biomedicine Online
Volume12
Issue number4
DOIs
Publication statusPublished - Apr 2006

Keywords

  • Clinical decision-making
  • Doctor's behaviour
  • Fertility work-up
  • Infertility
  • Prediction model
  • Prognosis

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