Genetic disorders and Primary Ovarian Insufficiency
There are multiple types of genetic disorders but, as far as feminine fertility is concerned, the most important ones are disorders affecting the X chromosome. The key that this disorders are the principal cause of a phenomenom going by the name of Primary Ovarian Insufficency (POI), also known as Premature Ovarian Failure.
This phenomenon is defined by a loss of ovarian function before menopause, causing irregular periods and a reduction on fertility.
Some examples of genetic disorders affecting the chromosome X and, consequently, causing POI are: