BACKGROUND Polycystic ovary syndrome (PCOS) patients are at increased risk of pregnancy complications, which may impair pregnancy outcome. Transfer of fresh embryos after superovulation may lead to abnormal implantation and placentation and further increase risk for pregnancy loss and complications. Some preliminary data suggest that elective embryo cryopreservation followed by frozen-thawed em...

current protocols for cancer treatment could lead to the failure of ovarian function and subsequent infertility in women. therefore, utilizing ways to preserve fertility in these individuals seem to be essential. in this review, the full-text of articles which were accessible and had been published during 1976 to 2009 about different methods of female fertility preservation were collected and s...

The ovaries are susceptible to damage following treatment with gonadotoxic chemotherapy, pelvic radiotherapy, and/or ovarian surgery. Gonadotoxic treatments have also been used in patients with various nonmalignant systemic diseases. Any women of reproductive age with a sufficiently high risk of developing future ovarian failure due to those medical interventions may benefit from embryo cryopre...

In women, around 10% of cancers occur in those younger than 45 years old. Although aggressive chemotherapy/radiotherapy and bone marrow transplantation can cure more than 90% of girls and young women affected by disorders requiring such treatment, the ovaries are very sensitive to cytotoxic drugs, especially to alkylating agents. Therefore, these treatments can result in premature ovarian failu...

Due to economical and scientific limitations, sheep embryo reproductive technologies are less commercially applied than in other animal species. However, it is very clear that, in the near future, those techniques are expected to have a central role in animal production as a consequence of genetic and reproductive demands. One drawback is that results obtained after sheep embryo cryopreservatio...

1 This article was supported by the Florida Agricultural Experimental Station. 2 Correspondence Karen Moore, Department of Animal Sciences, University of Florida, PO Box 110910, Gainesville, Florida 326110910, USA. E-mail: [email protected] Abstract Moore K, Bonilla AQ. Cryopreservation of Mammalian Embryos: the State of the Art. ARBS Annu Rev Biomed Sci 2006;8:19-32. Embryo cryopreservatio...

PURPOSE Cancer treatments for young women can permanently or temporarily affect fertility. The purpose of this retrospective analysis was to present the clinical experience and ethical considerations of fertility preservation in female oncology patients in a tertiary gynaecological department. METHODS Since 2002, in 37 patients fertility preservation was performed according to an institutiona...

background: the use of assisted reproductive technology (art) is increasing in the world. the rate, efficacy and safety of art are very different among countries. there is an increase in the use of intra cytoplasmic sperm injection (icsi), single fresh embryo transfer (et) and frozen-thawed embryo transfer (fet). objective: the objective of this study was to compare pregnancy rate in fresh et a...

Cancer may be detected at any age and could affect children, and reproductive age women as well. In recent years, cancer treatment has become less destructive and more specific. As a result, survival rates and quality of life following successful treatment have continuously improved. Cancer treatment typically involves surgery, chemo- or radiation therapy, or the combinations of these. These in...