In most multicellular organisms, meiosis is restricted to germ cells that are set aside in early development. The germ cells reside in specialized environments provided by the gonads, or sex organs.

Germ cell ovarian tumours begin in the ovarian cells that develop into eggs (germ cells). They are rare and usually affect people up to their early 30s. You usually have surgery to remove the tumour.

In some cases, you have to come into direct contact with an infected person to be infected. In others, the germ may be aerosolized (for instance, when someone sneezes) and find its way into your body ...