A high follicle stimulating hormone is a sign of declining ovarian function for most women, and in the case of women younger than 40 years of age, it may be premature ovarian failure.
High follicle stimulating hormone, first of all, depends on which period of menstruation, if it is elevated in the ovulation period, it signals ovulation, which is a normal phenomenon, if it is high in the follicular phase, in general, it represents the possibility of a decline in ovarian function, especially before the age of 40 years old, and its value reaches more than 40 U/L, which means that premature ovarian failure has occurred.
However, many factors may also lead to a transient elevation of follicle stimulating hormone, or other endocrine diseases can also cause follicle stimulating hormone elevation, it is recommended that women go to the hospital in time, to clarify the cause of the disease, to be targeted treatment.