Is pcos safe for a 26 year old?

Generally: Pcos itself is not life threatening but complications can occur due to this condition such as anemia from irregular / heavy bleeding, infertility due to anovulation. For a women who does not ovulate at all there is some increased risk to develop an endometrial cancer.

Not safety: It's not a question of safety, but health. Pcos is a medical disorder that leads to obesity, hair growth, infertility, diabetes, etc. That interfere with your life and your enjoyment. Pcos can be treated with education, diet, exercise and metformin to restore menses and possibly fertility. Talk w/your doctor.