Nov 1, 2024 · Normal levels of FSH for people assigned female at birth can vary by age and the phase of the menstrual cycle. For example, in the follicular phase, it can range from 1 to 9 international units...

Mar 26, 2025 · FSH levels in women fluctuate based on the stage of the menstrual cycle. They rise during the follicular phase and ovulation and drop during the luteal phase. FSH levels increase with age as the egg reserve depletes naturally. Having high FSH or low FSH can help assess your ovarian reserve.

Apr 10, 2025 · Here’s a closer look at what FSH is, what it does, and what are considered “normal” FSH levels. We’ll also cover what it may mean if your FSH levels are too high or too low, and how you can have your FSH levels tested.

Higher FSH levels — levels of about 30 to 40 or above — are usually taken to signal menopause or ovarian failure. You may still even be getting periods with your FSH levels this high, but it still is a sign that your body isn’t producing enough estrogen to maintain regular ovarian function.

Here’s a breakdown of FSH levels (all mIU/ml) and what they may indicate: 10 or less: Low FSH is typically seen in those under 30 years old and usually indicates high ovarian reserve. 11-15: Slightly elevated FSH is typically seen in those in their 30s and may indicate a slow decrease in ovarian reserve.

Apr 11, 2024 · What level of FSH indicates menopause? There is no one-size-fits-all chart that can predict exactly what FSH level indicates menopause. However, as a general rule of thumb, an FSH level consistently above 30 mIU/mL may indicate that menopause has arrived, or is just around the corner.

Dec 30, 2021 · FSH is one data point that tells you about your ovarian reserve and should be interpreted with E2, but more weight should be put on your AMH level. FSH does NOT tell you about your ability to get pregnant today, and it also can’t determine if you’ve reached menopause.

FSH is also the main hormone used to diagnose premature ovarian failure (POF), when it is elevated above the 40 mIU/mL threshold before the normal age for menopause. During perimenopause, FSH levels rise, and then remain high in menopause.

Jan 23, 2023 · For females who menstruate, FSH’s main function is to help regulate the menstrual cycle. Specifically, FSH stimulates follicles on the ovary to grow and prepare the eggs for ovulation. As the follicles increase in size, they begin to release estrogen and a low level of progesterone into your blood. Ovulation is a phase in the menstrual cycle.

Jun 20, 2023 · Follicle-stimulating hormone (FSH) is really important for our reproductive health. In this article, find out how to know what normal FSH levels look like, what the symptoms of high and low FSH levels are and how to balance your FSH levels.