Sökning: "contraceptive agents"
Hittade 4 avhandlingar innehållade orden contraceptive agents.
1. Some hormonal factors in the etiology of endometrial cancer
Sammanfattning : The main purpose of this dissertation was to study the impact of some hormone-related factors in the etiology of endometrial neoplasms, i.e. hormone replacement therapy, use of oral contraceptives, serum levels of 20 different organochlorine substances, and polymorphisms in the estrogen receptor alpha (ER) gene. LÄS MER
2. Breast cancer epidemiology : influence of hormone-related factors
Sammanfattning : The main purpose of this thesis was to explore how hormone-related factors, including use of hormone replacement therapy and oral contraceptives, body size in different periods of life and reproductive factors, influence the risk of breast cancer. Other aims were to assess how family history of breast cancer modifies the associations between such factors and risk of the disease and how hormone replacement therapy affects tumour characteristics. LÄS MER
3. Acute pelvic inflammatory disease (PID) : Aspects of diagnosis, aetiology and sequelae epidemiology and prevention
Sammanfattning : This long-period (1970-1997) longitudinal clinical and epidemiologic study elucidated risk factors, diagnosis and causative agents of acute pelvic inflammatory disease (PID), more importantly Neisseria gonorrhoeae (Ng) and Chlamydia trachomatis (Ct), and analysed the occurrence of late sequelae, particularly ectopic pregnancy (EP), and prevention.Totally 2574 patients (age 14-55 years) were hospitalised and treated for PID. LÄS MER
4. Endometrial receptivity and human embryo implantation : in vivo and in vitro studies
Sammanfattning : Background: Infertility, one of the common gynaecological disorders, affects 10-15% women in their reproductive years. Despite the advances in assisted reproduction techniques and the best efforts of infertility specialists, implantation rates do not exceed more than 28-30%. LÄS MER