Normal Values of Luteinizing Hormone (LH)
Oct 27, 2021
Source: Cainiu Health
Dr. Xu Yongqian
Introduction
Luteinizing hormone (LH) acts synergistically with follicle-stimulating hormone (FSH) to promote follicular maturation, estrogen secretion, ovulation, as well as the formation and maintenance of the corpus luteum, which secretes progesterone and estrogen. The normal reference ranges for LH are as follows: 1–12 U/L during the follicular phase and luteal phase, 16–104 U/L at mid-cycle (ovulatory phase), and 16–66 U/L in the postmenopausal period.
Luteinizing hormone (LH) is a glycoprotein gonadotropin secreted by the anterior pituitary gland. In females, LH acts synergistically with follicle-stimulating hormone (FSH) to promote follicular maturation, estrogen secretion, ovulation, as well as corpus luteum formation and maintenance—thereby supporting progesterone and estrogen production. Abnormal LH levels may indicate compromised health and potentially lead to infertility. So, what constitutes the normal range for LH? Below, we address this question.
Normal LH Levels
Luteinizing hormone (LH), a glycoprotein gonadotropin secreted by anterior pituitary cells, works together with follicle-stimulating hormone (FSH) in females to promote follicular maturation, estrogen secretion, ovulation, and the formation and maintenance of the corpus luteum—which in turn secretes progesterone and estrogen. Normal LH concentrations vary across menstrual phases: 1–12 U/L during the follicular and luteal phases, 16–104 U/L at mid-cycle (ovulation), and 16–66 U/L after menopause. Abnormally elevated or suppressed LH levels may impair estrogen function and ultimately disrupt normal ovulation.
Knowledge Extension: What to Do If LH Levels Are Elevated
1. Elevated LH levels are primarily attributable to endocrine imbalance. Therefore, restoring endocrine equilibrium is essential. Traditional Chinese medicine (TCM) may be used for regulation to restore LH balance; however, hormonal medications should be avoided unless strictly indicated.
2. Dietary modifications can also help regulate LH levels. Consume foods low in coarse and insoluble fiber—such as refined rice or wheat-based products. Additionally, women are encouraged to engage regularly in outdoor physical activity to support overall physiological regulation.
The above outlines normal LH reference ranges. We hope this information is helpful to you.
