Which one of the following is not a third generation progestrogen used in combined oral contraceptive pills ?
Correct Answer: Levonorgestrel
Description: Ans. is 'a' i.e., Levonorgestrel Generations of progesterone 1. First generation Has low progestational selectivity, so also possess some estrogenic activity. ta Has androgenic action (but less than 2nd generation) Examples Norethindrone, ethynodiol diacetate 2. Second generation Has more progestational selectivity than first generation Androgenic action is also more than 1st generation Examples Levonorgestrol (the most widely used progestin), Norgestrel. 3. Third generation Has highest progestational selectivity Has very low androgenic activity (some even are antiandrogens, e.g. drospirenone) Examples : Desogestrol, Norgestimate, Drospiren one, Gestodene
Category:
Social & Preventive Medicine
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now