You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Progesterone release rate in progestase is:- and explain in detail?
Progestase: T-shaped device carrying 38 mg of progesterone in silicon oil reservoir in the veical stem. Releases 65 mcg of the hormone per day. Hormone released in the uterus forms a thick plug of mucus at the cervical os which prevents penetration by the sperms and thus exes an added contraceptive effect. Menstrual problems like menorrhagia and dysmenorrhoea noticed with Copper T are less with this device (40% reduction) Expensive and requires yearly replacement.