What is the minimum dose of ethinyl estradiol in OC pills for contraceptive effect?
15mcg
20mcg
30mcg
35mcg
For the average patient, the first choice of preparation for contraceptive purposes is a very low estrogen OC (20 mg EE) unless there are other considerations, for example, previous pregnancy while taking the pill.Patients with persistent break-through spotting or bleeding could be offered a pill with the same low estrogen dose, but a more potent progestin, for example, levonorgestrel.Ref: Reference: Novak's gynaecology; 14th edition; Chapter 10; Family planning
Contraception