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Cumulative pregnancy rates after three cycles of minimal stimulation IVF and results according to subfertility diagnosis: a multicentre cohort study.
Pelinck, M J; Vogel, N E A; Hoek, A; Simons, A H M; Arts, E G J M; Mochtar, M H; Beemsterboer, S; Hondelink, M N; Heineman, M J.
Afiliação
  • Pelinck MJ; Section of Reproductive Medicine, Department of Obstetrics and Gynaecology, University Medical Center Groningen, The Netherlands. pelinck@hotmail.com
Hum Reprod ; 21(9): 2375-83, 2006 Sep.
Article em En | MEDLINE | ID: mdl-16751647
BACKGROUND: In minimal stimulation IVF, treatment is aimed at using the single oocyte that spontaneously develops to dominance. To prevent untimely ovulation, a GnRH antagonist is administered in the late follicular phase of the natural cycle together with recombinant FSH for substitution. Owing to the lack of ovarian stimulation, minimal stimulation IVF is a low-risk and patient-friendly treatment. In this study, effectiveness of minimal stimulation IVF was studied. METHODS: In this prospective multicentre cohort study, minimal stimulation IVF was offered to 350 patients. All indications for conventional IVF were included. Main outcome measures were pregnancy rates per cycle and cumulative pregnancy rates after three cycles. RESULTS: A total of 336 patients completed 844 cycles (2.5 per patient). The overall ongoing pregnancy rate per started cycle was 8.3% [95% confidence interval (CI) 6.4-10.2%]. The cumulative ongoing pregnancy rate after up to three cycles was 20.8% (95% CI 16.4-25.3%) per patient. No differences were found according to indication for IVF. CONCLUSIONS: Minimal stimulation IVF seems suitable for all indications studied. Pregnancy rates are encouraging. Owing to the low-risk and patient-friendly nature of this protocol, it seems a feasible treatment option for patients requiring IVF.
Assuntos
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Indução da Ovulação / Fertilização in vitro / Infertilidade Tipo de estudo: Clinical_trials / Diagnostic_studies / Etiology_studies / Guideline / Incidence_studies / Observational_studies / Risk_factors_studies Limite: Adult / Female / Humans / Pregnancy Idioma: En Revista: Hum Reprod Assunto da revista: MEDICINA REPRODUTIVA Ano de publicação: 2006 Tipo de documento: Article País de afiliação: Holanda
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Indução da Ovulação / Fertilização in vitro / Infertilidade Tipo de estudo: Clinical_trials / Diagnostic_studies / Etiology_studies / Guideline / Incidence_studies / Observational_studies / Risk_factors_studies Limite: Adult / Female / Humans / Pregnancy Idioma: En Revista: Hum Reprod Assunto da revista: MEDICINA REPRODUTIVA Ano de publicação: 2006 Tipo de documento: Article País de afiliação: Holanda