The quantity of hormone released by Progestase per day is?: (A) 25 ug, (B) 45 ug, (C) 65 ug, (D) 85 ug
Answer is C. Progestase is a commonly used IUCD which carries 38 mg of progesterone in silicone oil reservoir. It releases 65 ug of hormone per day. It acts by forming a thick plug of mucus at the cervical os which prevents penetration by the sperm. Ref: Shaw's Textbook of Gynaecology, 18th edition, p227.