Symptoms of low estrogen span from thinning hair to pain with sex. Here, doctors explain how to tell if your estrogen levels are low with age and what to do. Low estrogen may result from menopause, chronic illness, or excessive exercise. Hormone replacement therapy is a common treatment for low estrogen. Low estrogen levels can cause symptoms like hot flashes, insomnia, and missed periods. This article explains that low estrogen signs and symptoms shouldn’t be ignored and the ways to treat 12 signs and symptoms of low estrogen. Find the complete list of low estrogen symptoms in this guide. You will also learn why estrogen is important, how to manage low estrogen and how to test your estrogen levels. Low estradiol can affect your mood, bones, heart, and fertility. Learn what causes it, how to recognize the signs, and what you can do about it. Estradiol is a key form of estrogen that impacts various body systems. Women with low estradiol may experience symptoms like hot flashes, mood changes, and bone density loss. Low estradiol can occur due to many factors, including menopause, certain medical conditions, or medications. Learn what low estradiol means for women's health, including symptoms, causes, and treatment options. Discover how to test and optimize your estrogen levels. Low estradiol on a blood test means your estrogen level falls below the lab reference range for your sex and life stage, such as under 30 pg/mL in a menstruating woman or under 10 pg/mL in a man, which can signal ovarian, pituitary, or aromatase problems. Estrogen levels naturally lower as you age and approach menopause. But low estrogen can also be a sign of a condition or the result of a medical treatment. Low estrogen can cause absent or irregular menstrual periods, vaginal dryness, hot flashes, night sweats, and more.