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Hum Reprod. 2012 Feb;27(2):444-50. doi: 10.1093/humrep/der389. Epub 2011 Nov 23.

Long-term outcome in couples with unexplained subfertility and an intermediate prognosis initially randomized between expectant management and immediate treatment.

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1
Centre for Reproductive Medicine, Academic Medical Centre, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands. i.m.custers@amc.uva.nl

Abstract

BACKGROUND:

We recently reported that treatment with intrauterine insemination and controlled ovarian stimulation (IUI-COS) did not increase ongoing pregnancy rates compared with expectant management (EM) in couples with unexplained subfertility and intermediate prognosis of natural conception. Long-term cost-effectiveness of a policy of initial EM is unknown. We investigated whether the recommendation not to treat during the first 6 months is valid, regarding the long-term effectiveness and cumulative costs.

METHODS:

Couples with unexplained subfertility and intermediate prognosis of natural conception (n=253, at 26 public clinics, the Netherlands) were randomly allocated to 6 months EM or immediate start with IUI-COS. The couples were then treated according to local protocol, usually IUI-COS followed by IVF. We followed couples until 3 years after randomization and registered pregnancies and resources used. Primary outcome was time to ongoing pregnancy. Secondary outcome was treatment costs. Analysis was by intention-to-treat. Economic evaluation was performed from the perspective of the health care institution.

RESULTS:

Time to ongoing pregnancy did not differ between groups (log-rank test P=0.98). Cumulative ongoing pregnancy rates were 72-73% for EM and IUI-COS groups, respectively [relative risk 0.99 (95% confidence interval (CI) 0.85-1.1)]. Estimated mean costs per couple were € 3424 (95% CI € 880-€ 5968) in the EM group and € 6040 (95% CI € 4055-€ 8125) in the IUI-COS group resulting in an estimated saving of € 2616 per couple (95% CI € 385-€ 4847) in favour of EM.

CONCLUSIONS:

In couples with unexplained subfertility and an intermediate prognosis of natural conception, initial EM for 6 months results in a considerable cost-saving with no delay in achieving pregnancy or jeopardizing the chance of pregnancy. Further comparisons between aggressive and milder forms of ovarian stimulation should be performed.

PMID:
22114108
DOI:
10.1093/humrep/der389
[Indexed for MEDLINE]
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