The normal value of estrogen during a woman’s menstrual period is 40-100 pmol/L, so an estrogen level of 95 pmol/L on the first day of menstruation is normal for a 48-year-old woman. Estrogen is secreted by the ovaries to maintain female reproductive function and sexual characteristics. However, estrogen levels are constantly changing with the ovarian cycle. Normally, the normal value of estrogen in women during menstruation is 40 to 100 pmol/L. Therefore, an estrogen level of 95 pmol/L on the first day of menstruation in a 48-year-old woman is a normal indication. During menstruation, 48-year-old women may experience symptoms such as anxiety, irritability, dizziness, lower back pain, breast tenderness, etc. This is generally normal, but if the symptoms last for a long time or are accompanied by other discomforts, it is necessary to go to the hospital in time for consultation.