Slow follicle growth may be caused by poor follicle quality, or it may be related to endocrine disorders and abnormal ovarian function. 1. Endocrine disorders: the growth rate of follicles has a correlation with the level of hormones, so if a woman’s endocrine disorders, it may lead to a decline in ovarian function, and then the quality of the follicles, resulting in a slow growth rate of the situation. If the luteinizing hormone is low, it will affect the quality of follicles, which will lead to slower follicle growth, and can be treated with exogenous estrogen and progesterone supplementation. 2. Abnormal ovarian function: generally speaking, abnormal ovarian function is one of the main causes of poor follicular development, the ovary is the main place of follicular growth, so ovarian abnormality will affect the quality and speed of follicular growth, it is easy to slow follicular growth, you need to consult a doctor in a timely manner, under the guidance of a professional doctor to deal with the symptomatic treatment, such as hormone supplementation or surgical treatment. Therefore, if the follicle growth rate is slow, there is a relationship between it and poor follicle quality. And poor follicle quality is usually caused by endocrine disorders or abnormal ovarian function, it is recommended to go to the hospital in time for relevant examinations to clarify the cause of the disease and then symptomatic treatment in order to improve the quality of follicles.