Premature Ovarian Failure 9, is also known as pof9. An important gene associated with Premature Ovarian Failure 9 is HFM1 (Helicase For Meiosis 1). The drugs Polyestradiol phosphate and Estradiol have been mentioned in the context of this disorder. Affiliated tissues include ovary, and related phenotypes are premature ovarian insufficiency and amenorrhea