What causes a small uterus?
Jul 19, 2025
Source: Cainiu Health
Dr. Zhang Lu
Introduction
In general, a small uterus may be caused by congenital underdevelopment, inadequate nutrition during puberty, abnormal endocrine hormones, diminished ovarian function, pituitary disorders, or other related factors. It is recommended to seek timely medical consultation to identify the underlying cause and receive appropriate treatment under a doctor's guidance. Additionally, maintaining a regular作息 (作息 should be translated as "routine/lifestyle"), avoiding late nights, and engaging in moderate exercise, such as rope skipping or running, are advised.
Generally, a small uterus may be caused by congenital underdevelopment, inadequate nutrition during puberty, abnormal endocrine hormones, diminished ovarian function, pituitary dysfunction, or other related factors. It is recommended to seek timely medical consultation to identify the underlying cause and receive appropriate treatment under a doctor's guidance. Detailed analysis is as follows:
1. Congenital underdevelopment: Abnormal development of the reproductive organs during the embryonic stage may result in impaired uterine growth, leading to a smaller than normal uterus after birth. If menstruation is normal and there is no fertility requirement, no special treatment is necessary, and regular gynecological examinations are sufficient.
2. Inadequate nutrition during puberty: Puberty is a critical period for uterine development. Long-term malnutrition can impair normal uterine development, resulting in a smaller uterus. Dietary adjustments should be made to ensure adequate intake of proteins, vitamins, and other nutrients. Eating more lean meat, eggs, and fresh fruits and vegetables can promote physical development.
3. Abnormal endocrine hormones: Insufficient secretion of estrogen and progesterone can affect uterine growth, leading to a smaller uterus. This may be accompanied by symptoms such as infrequent menstruation or amenorrhea. Patients may follow medical advice to use medications such as conjugated estrogen tablets, progesterone soft capsules, or diethylstilbestrol tablets to regulate hormone levels and promote uterine development.
4. Diminished ovarian function: Reduced hormone secretion by the ovaries can fail to effectively stimulate uterine growth, resulting in a smaller uterus. Symptoms may include hot flashes and night sweats. Patients may follow medical advice to use medications such as estradiol valerate tablets, nylestriol tablets, or Kuntai capsules to improve ovarian function.
5. Pituitary dysfunction: Abnormal pituitary function can affect the secretion of gonadotropins, thereby impacting the development of the ovaries and uterus, leading to a smaller uterus. This may be accompanied by symptoms such as short stature and incomplete development of secondary sexual characteristics. Patients may follow medical advice to use medications such as recombinant human follicle-stimulating hormone for injection, urofollitropin for injection, or progesterone injection for treatment. Surgery, such as pituitary tumor resection, may be required to address the primary pituitary condition and restore hormone secretion function when necessary.
In daily life, maintaining a regular sleep schedule, avoiding staying up late, and engaging in appropriate physical activities such as rope skipping and running can promote blood circulation and physical development. Maintaining a positive mindset and avoiding excessive anxiety can help maintain endocrine stability and promote reproductive health.
