Özet:

This study was aimed at determining the plasma 1713 estradiol and progesterone hormone profiles, oxygen/antioxidant levels and the relationships between them during the period of pregnancy to ejaculation. For this purpose, blood samples were taken on the ovulation day (0. day) and on the 5, 10 and 16 days of pregnancy. Plasma 17f3 estradiol, progesterone concentrations and oxidate (malondialdehyd; lipite peroxidation index) and antioxidant (vitamin E, R-carotene, gtution, catalase, glutation peroxidase) values were measured. The 1713 estradiol levels fell in the days after ovulation (p<0.05), while the progesterone levels increased gradually (p<0.05). A significant increase in plasma malondialdehitis was found in the 5th and 16th days (p<0.05). Other antioxidant parameters except £ vitamins were observed to be significantly higher (p<0,05) compared to the ovulation day on the 16th day, usually increasing gradually. There was also a significant negative correlation (r=-0.50) between plasma malondialdehitis and 1713 estradiol concentrations. As a result, a general increase in plasma malondial dehydrate was observed in the period of pregnancy until fixation, while the activity of glutathion peroxidase and catalase was observed in contrast (3-carotene and glutathion concentrations).

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