Based on our study, pentoxifylline could decrease the size of endometrial implants, especially in the ovaries and subcutaneous areas, and total white blood cell count in serum. Pentoxifylline could increase the lymphocyte count and decrease the neutrophil count in serum, and because these changes it might alter the immune system. Pentoxifylline did not have any adverse effect on rats' cycles and a good aspect of treatment with pentoxifylline was achieved.

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The aim of this study was to evaluate the effects of the two types of media, namely minimum essential medium (αMEM) and Ham'sF10, supplemented with foetal bovine serum (FBS) or bovine serum albumin (BSA) in vitrification/warming solution on the quality and viability of sheep ovarian follicles. Vitrification method was applied for cryopreservation of sheep ovarian cortex using Ham'sF10 and αMEM supplemented with either BSA or FBS. There were five groups: Fresh, Ham'sF10+ BSA, Ham'sF10+ FBS, αMEM + BSA and αMEM + FBS. Samples were cultured for two weeks after warming. Viability and morphology of follicles and DNA fragmentation in follicles and in tissue stroma cells were analysed before vitrification/warming and following one and two weeks of culture. The Ham'sF10+ FBS and Ham'sF10+ BSA groups showed a significant decrease in follicular viability after one week of culture (p < .05 vs. Fresh). Following two weeks of culture, all groups revealed a considerable fall in the number of viable follicles (p < .05 vs. Fresh). There was an increase in DNA fragmentation of connective tissue cells but not in the follicles (p < .05). Our results showed the better application of αMEM supplemented with BSA as a vitrification solution in improvement of cryopreservation effects and maintenance of follicular survival.