title: The norgestrel-T-IUD.
abstract: An improved long-acting Norgestrel-T contraceptive device has been developed. The effects of different release levels of levonorgestrel on the endometrium were studied in a selected group of 42 subjects. A randomized comparative study of the clinical performance of Cu-T 200 and Ng-T devices was undertaken in 200 fertile women for 15 months. Quantitation of the menstrual blood loss was performed on a selected group of 20 users. This new Ng-T device proved highly effective in fertility control. It was associated with a significant reduction in the amount of menstrual blood loss and incidence of termination probabilities due to bleeding and pain.
mesh_terms: D004702:Endocrine Glands / Q000187:drug effects; D005260:Female; D006470:Hemorrhage / Q000209:etiology; D006801:Humans; D007435:Intrauterine Devices, Copper; D007436:Intrauterine Devices, Medicated; D008598:Menstruation; D008599:Menstruation Disturbances / Q000209:etiology; D009644:Norgestrel / Q000494:pharmacology*; D011247:Pregnancy; D013997:Time Factors; D014623:Vaginal Diseases / Q000209:etiology
chemical_list: D009644:Norgestrel