The history of assisted reproductive technology and its future.
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This article presents a model for conceptualizing the emotional consequences of infertility experienced by most couples with this problem. The article also discusses the need for patient preparation for alternative reproductive techniques with donor gametes and examines the main issues that need to be explored. Recommendations are made for physicians and couples challenged by infertility's intense and surprising emotional consequences.
Hysteroscopy is an excellent additional instrument for evaluating the uterine characteristics in infertile women. This article reviews the two main indications for hysteroscopy in infertile patients who are candidates for assisted reproductive techniques: (1) to evaluate the cervix and uterine cavity and (2) rule out any pathology or lesions that could have been missed by hysterosalpingography. Hysteroscopy has been proposed as an alternative method to traditional transabdominal transfer of gamete or embryo to the tube.
Infertility treatment should be made as efficacious as possible while being simple for patients. Although the treatment paradigm may be, at times, complex, patients deserve pure products that simplify protocol implementation while providing reliable outcomes. The more the treatment experience is simplified and improved, the more patients will benefit from the technology.
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Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
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BACKGROUND: Fluctuations in spontaneous pregnancy rates have been observed in the general population. The purpose of this study was to evaluate whether pregnancy rates fluctuate over time in a homogeneous assisted reproduction treatment unit. METHODS: The study sample consisted of 3522 consecutive assisted reproduction cycles conducted from January 1996 to December 1999. Only fresh cycles in women <41 years old were included. All pertinent clinical data were prospectively collected on a computerized database and analysed at the end of the study. RESULTS: Throughout the 4 years of the study, monthly pregnancy rates fluctuated between 10.5 and 34.1% (mean 21.4%) per cycle, and between 13.6 and 41% (mean 27.26%) per transfer. These fluctuations did not follow any specific seasonal pattern. CONCLUSION: During routine work in an assisted reproduction treatment unit, there are random fluctuations in the pregnancy rate. This factor should be considered in studies performed in a specific time-period.
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