We are no strangers to the ovaries and understand that they have two main functions, producing sex hormones and eggs. So how do you know if the ovaries are functioning well or not? 1, age is the initial indicator to assess ovarian function Generally speaking, the older you are, the more your ovarian function declines. Studies have found that ovarian function may begin to decline after the age of 25, and fertility is significantly lower in women over 35 than in women 25 years old. Age is also a direct indicator of egg quality assessment. 2. The menstrual cycle can be used to initially screen for ovarian function. If you have had regular menstrual periods in the past, but recently your periods have been significantly early for several days and have lasted for several months, you should be alert to the possibility of ovarian function problems. However, regular menstruation cannot completely exclude the decline of ovarian function. 3.Sex hormones on the 3rd-5th day of menstruation include follicle stimulating hormone, luteinizing hormone, estradiol, progesterone, testosterone and prolactin, which are the most common tests to determine ovarian function. The basic sex hormone test must be done on the 1st – 5th day of the menstrual period, which is one of the limitations. AMH, the anti-Mullerian hormone, is now gradually being introduced in major hospitals and can be tested at any time of the menstrual cycle, which is very popular at the moment. You should check the age of your ovaries at the same time as your career, so that you can complete your life plan of having children as soon as possible.