Normal Values of Luteinizing Hormone (LH)
May 22, 2022
Source: Cainiu Health
Dr. Zhang Lu
Introduction
The normal reference range for luteinizing hormone (LH) is generally as follows:
- In males: 1.2–7.8 IU/L
- In females:
- Follicular phase: 1.65–15 IU/L
- Luteal phase: 0.61–16.3 IU/L
- Ovulatory phase: 21.9–56.6 IU/L
- Perimenopausal period: 14.2–52.3 IU/L
In females, LH primarily stimulates follicular maturation and ovulation.
Normal luteinizing hormone (LH) levels are generally as follows: in males, 1.2–7.8 IU/L; in females, 1.65–15 IU/L during the follicular phase, 0.61–16.3 IU/L during the luteal phase, 21.9–56.6 IU/L at mid-cycle (ovulation), and 14.2–52.3 IU/L during the perimenopausal period.
In females, luteinizing hormone (LH) primarily promotes follicular maturation and ovulation, with a characteristic LH surge occurring just before ovulation. Abnormal LH levels may disrupt ovulation and menstrual cyclicity. For instance, elevated LH levels may contribute to conditions such as polycystic ovary syndrome (PCOS), leading to anovulation; conversely, low LH levels may impair luteal function, resulting in a shortened luteal phase.
In males, LH primarily stimulates testosterone secretion by Leydig cells in the testes, thereby supporting male reproductive function and the development and maintenance of secondary sexual characteristics. LH measurement aids in evaluating reproductive system function and diagnosing related disorders; however, interpretation of specific values must be integrated with individual clinical context and symptoms. If LH levels are abnormally high or low, dietary modifications may help restore balance, and adequate vitamin C intake should also be ensured.
In daily life, maintain a light, balanced diet and avoid spicy or highly stimulating foods—such as garlic, spicy hotpot, and mustard. Additionally, ensure sufficient rest and avoid excessive physical or mental fatigue to safeguard overall health.
