Contraceptives, Oral/adverse effects; Body Weight; Female; Humans; Nausea/chemically induced; Pregnancy; Thromboembolism/chemically induced; Vomiting/chemically induced; Water-Electrolyte Balance/drug effects

Biology; Blood Coagulation Effects; Cancer; Chlormadinone Acetate--side effects; Contraception; Contraceptive Agents, Estrogen--side effects; Contraceptive Agents, Female--side effects; Contraceptive Agents, Progestin--side effects; Contraceptive Agents--side effects; Contraceptive Methods--side effects; Diseases; Embolism; Endocrine System; Estradiol--side effects; Estrogens; Ethinyl Estradiol--side effects; Ethynodiol Diacetate--side effects; Family Planning; Hepatic Effects; Hormones; Hypertension; Jaundice; Lynestrenol--side effects; Mestranol--side effects; Neoplasms; Norethindrone Acetate--side effects; Norethindrone--side effects; Oral Contraceptives, Combined; Oral Contraceptives--side effects; Physiology; Signs And Symptoms; Thromboembolism; Thrombophlebitis; Vascular Diseases