Search for dissertations about: "Oral contraceptives"
Showing result 21 - 25 of 66 swedish dissertations containing the words Oral contraceptives.
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21. An epidemiologic study of epithelial ovarian malignancies : with a focus on hormone-related factors
Abstract : The main purpose of this thesis was to examine estrogen and progestin effects of hormone replacement therapy, in relation to the risk for epithelial ovarian neoplasias. Other intentions were to assess reproductive factors, oral contraceptive use, previous gynecologic surgeries, and family history of ovarian cancer according to the risk of ovarian neoplasias, and to connect these findings to different hypotheses regarding ovarian carcinogenesis. READ MORE
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22. Hormonal treatments and the breast : effects on sex steroid receptor expression and proliferation
Abstract : Breast cancer is the most common malignancy among women in the western world. Hormonal treatments for contraception and replacement after menopause have been associated with an increased risk of breast cancer. The basis of risk associated with hormonal therapies may lie in the regulation of cell proliferation. READ MORE
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23. Factors associated with brain tumor risk : with focus on female sex hormones and allergic conditions
Abstract : Every year approximately 1200 people in Sweden are diagnosed with a brain tumor. The two main histological types of brain tumors, gliomas and meningiomas, differ in terms of their localization, histology, prognosis, and probably etiology. READ MORE
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24. Is it Just the Hormones? : Sex Steroids, Chronic Stress and Violence in Premenstrual Dysphoric Disorder
Abstract : Premenstrual depressive symptoms and mood swings affect 3-8% of women in fertile age. The female hormones are believed to be the cause. Progesterone is well studied, but estrogen is not, and either are other causes such as intimate partner violence and chronic stress. READ MORE
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25. Human papillomavirus and cervical carcinoma in situ : implications for future screening
Abstract : The principal aim of this thesis was to study the temporal relationship between human papillomavirus type 16 (HPV 16) infection and cervical carcinoma in situ, particularly focusing on the effect of viral load. Other aims were to study the role of additional factors, especially smoking and oral contraceptive use, in cervical carcinogenesis. READ MORE