When PCOS symptoms develop varies from woman to woman. It can be difficult to ascertain exactly when symptoms begin to appear, as they are often similar to those experienced at puberty, including irregular periods, increased hair growth and acne. This often causes a diagnosis of PCOS to be delayed until the end of puberty when these symptoms are not resolved.
There are also many women who are not diagnosed until they are trying to get pregnant and learn that they are not ovulating regularly. The most important thing to note is that if you have any concerns about your daughter or yourself, address them with a physician who has experience in this syndrome.