7 Symptoms Suggesting Premature Ovarian Failure That Aren’t Real. If a woman has already experienced scanty menstruation, decreased menstrual flow, amenorrhea, infertility, hot flashes, difficulty in sexual intercourse, decreased libido, dizziness, and palpitations before the age of 40, it suggests that there may be premature ovarian failure. Symptoms of premature ovarian failure mainly include the following aspects, if these symptoms appear, it is considered to have premature ovarian failure. 1. Menstrual disorders: due to sparse ovulation or anovulation of the ovaries, menstrual disorders will be caused, which will be manifested as irregular menstrual cycles, long duration of menstruation, increasing or decreasing menstrual flow, and even amenorrhea may occur. 2. Infertility: Since the ovaries do not ovulate or ovulate sparingly, the relative chances of pregnancy are greatly reduced. 3. Hot flashes: Women with premature ovarian failure have lower levels of estrogen, which can lead to unstable vasodilatation and contraction, which may lead to hot flashes. 4. Difficulty in sexual intercourse and loss of libido: women with premature ovarian failure may experience difficulty in sexual intercourse and pain during sexual intercourse due to the low level of estrogen in the body and the obvious decrease in vaginal secretions. At the same time, the decrease in vaginal secretions makes the vagina dry and less responsive to sexual stimulation, which may lead to loss of libido. 5. Symptoms of autonomic nervous disorders: such as dizziness, palpitations, headache, insomnia, tinnitus, etc. 6. Psychoneurotic symptoms: there may be inattention, mood swings, depression and other psychoneurotic symptoms. It is recommended that patients with the above symptoms should seek prompt medical attention for a clear diagnosis.