The study noted that 21 out of 23 retrospective studies have shown an increased risk of breast cancer in women who took oralcontraceptives prior to pregnancy.
此研究特别提及23项回顾性研究中的21项已显示孕前使用口服避孕药的女性患乳腺癌的风险增加。
2
Women on oralcontraceptives and taking high doses of vitamin C should be advised to reduce vitamin C levels gradually over several days to avoid a breakthrough bleed.
妇女在服用口服避孕药及高剂量的维生素 C应该被建议减少维生素 C含量逐渐几天突破，以避免流血。
3
Both these studies confirmed that the risk of adverse cardiovascular outcomes for Yasmin does not differ from those associated with the use of other oralcontraceptives.