Infection of ovaries can reduce the tissue which is capable of production of the eggs, because it can leave fibrous scarrs. These scarrs loss the proper function and repeated infections can demage the whole ovary.
When there is removal of only one ovary on one side, women remain fertile. But in severe cases, when the ovaries need to be removed both, the women became in able to concieve child naturally. But she can use the technologies of assisted reproduction and the donated eggs can be fertilised by her partner’s sperm and insert to her uterus.