You need to take Uspermine for 3-6 months to regulate your menstruation, which means 3-6 cycles. Eusebio belongs to the third generation of oral contraceptives, the first generation is Mafron, the second generation is Daimler-35, and as the third generation Eusebio has its more advantages, one of which is that the estrogen content is lower, so there are less side effects. The progestin is drospirenone, which has an anti-salt corticosteroid effect and does not cause water and sodium retention. In addition to being a very effective oral contraceptive, Eusemide can also help regulate menstruation, prevent endometrial lesions, treat dysmenorrhea and acne. However, Eusemide needs to be used with caution for women older than 40 years old with a history of smoking, with hypertension and diabetes, because of the risk of causing blood clots.