当你准备开始尝试怀孕的时候，通知你的产科医生。 建立月经周期。 请咨询调节每月周期的内分泌知识。 如果无创的药物并不能让你怀孕，跟你的医生谈谈体外受精。 如果以上方法都不能帮到你，还可以探索其他方法。

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
Many women with PCOS will need help regulating their ovulation and protecting against miscarriage, which requires supervision of a trained doctor. Your doctor will help you with this, as well as monitor you early in your pregnancy. Medications you are taking to manage your PCOS may not be safe for use in pregnancy, and they will need to be changed or discontinued. This is another excellent reason to see your doctor right away. PCOS causes many women to have infrequent periods. Infrequent periods