Abstract
Purpose: Our experience with IVF using low-dose clomiphene citrate for stimulation in “non-” and “poor” responders was reviewed and the treatment outcomes with the previous controlled ovarian stimulation cycles in which hMG and GnRH agonist were used were compared.
Methods: The treatment outcome in 11 non- and 20 poor responders having 30 and 53 clomiphene citrate IVF treatment cycles, respectively, were compared with the treatment outcome in the previous long-protocol buserelin/hMG cycles.
Results: The clinical pregnancy rates per oocyte collection achieved in the first clomiphene citrate cycle in non (9.1%)- and poor (10%) responders were comparable to those achieved by poor responders (11.9%) who had buserelin/hMG using the long protocol. Although the numbers were small, a similar pregnancy rate could still be achieved in poor responders up to the third attempt using clomiphene citrate.
Conclusions: IVF using long-protocol buserelin/hMG is more successful than using clomiphene citrate stimulation. However, this advantage may not be significant in those women with a previous poor response to buserelin/hMG. It is suggested that for such poor responders, three attempts of IVF in a clomiphene citrate cycle may offer a viable therapeutic alternative before reverting to more stressful, expensive, and time-consuming treatment.
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Awonuga, A.O., Nabi, A. In Vitro Fertilization with Low-Dose Clomiphene Citrate Stimulation in Women Who Respond Poorly to Superovulation. J Assist Reprod Genet 14, 503–507 (1997). https://doi.org/10.1023/A:1021171225322
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DOI: https://doi.org/10.1023/A:1021171225322