PCOS (Polycystic Ovary Syndrome) is a common hormone problem that can affect fertility and make it more difficult to have a baby . It’s a combination of having polycystic ovaries (as diagnosed on an ultrasound scan) with symptoms of a hormone imbalance such as irregular periods or male hormone side-effects such as abnormal hair, acne or weight gain,
The genetic link to PCOS isn't clear, but you're more likely to get it if your close relatives also have it. Some 20%-40% of those with PCOS have a mother or sister with the condition. This may be related to similar lifestyles as well as to genes.