Woutersz T B
J Reprod Med. 1983 Jan;28(1 Suppl):81-4.
Data were compiled from 17 U.S. sites during a study of levonorgestrel, 0.15 mg, and ethinyl estradiol, 0.03 mg. A total of 1,130 women participated in 11,604 cycles of treatment. Efficacy, cycle characteristics, bleeding irregularities and side effects were studied. Weight and blood pressure means were analyzed with the paired t-test. Subject acceptance of this new combination oral contraceptive was high.
在一项关于0.15毫克左炔诺孕酮和0.03毫克炔雌醇的研究中，数据来自美国的17个研究点。共有1130名女性参与了11604个治疗周期。对疗效、周期特征、出血不规律情况及副作用进行了研究。采用配对t检验分析体重和血压均值。这种新型复方口服避孕药的受试者接受度很高。
