How big does a follicle grow to be considered a mature follicle before it can be discharged?

Follicles are an important part of the female reproductive system, as they carry out the development and maturation of eggs. The maturity of follicles is an important indicator of female fertility, and the ovulation process is a complex physiological process regulated by multiple factors. This article will discuss how follicle maturity is determined and what is known about the ovulation process. 1. Judgment of follicle maturity The maturity of follicles is usually determined through ultrasound examination and blood hormone testing. Ultrasound examination can observe the size and shape of follicles. Follicles with a diameter greater than 18-20 mm are generally considered mature follicles. In addition, the texture and color of the fluid within the follicle can also provide some information about the maturity of the follicle. Blood hormone tests mainly measure levels of follicle-stimulating hormone (FSH), luteinizing hormone (LH) and estrogen. Changes in these hormones reflect the development and maturation of follicles. 2. The development and maturation process of follicles The development process of follicles is usually divided into four stages: primordial follicles, primary follicles, secondary follicles and mature follicles. In the female reproductive system, follicles grow and develop in the ovaries. Each month, a portion of the primordial follicles begin to develop into primary follicles, which then further develop into secondary follicles. During this development process, the oocytes in the follicles also undergo cell division and maturation. When a follicle develops to a certain stage, it releases the hormone LH and ovulation occurs. Ovulation occurs when a mature follicle ruptures and releases an egg into the fallopian tube, where it awaits fertilization. Ovulation usually occurs on days 14-16 of the menstrual cycle, but this is also affected by individual differences and other factors. 3. Knowledge related to ovulation Ovulation is a key link in female fertility and a prerequisite for pregnancy and childbirth. Understanding the ovulation process is important for family planning and treating infertility problems. The ovulation process is regulated by many factors, including hormone levels, lifestyle and physical health. For example, the level of the FSH hormone gradually increases before ovulation, promoting the development of follicles. A sudden increase in LH hormone signals follicle rupture and egg release. In addition, the development of follicles and the ovulation process are also regulated by estrogen and progesterone. Lifestyle factors such as diet, exercise and mental state can also have an impact on the ovulation process. For women hoping to become pregnant, it is important to accurately predict when ovulation will occur. Currently, there are many ways to help women determine their ovulation time, including measuring basal body temperature, observing changes in cervical mucus, and using ovulation test strips. Conclusion: The maturity of follicles is closely related to the ovulation process. The maturity of follicles can be determined through ultrasound and blood hormone testing. The development and maturation of follicles are complex physiological processes that are regulated by multiple factors. Understanding the ovulation process is important for family planning and treating infertility problems. Hopefully, this article has provided readers with basic knowledge about follicular maturation and the ovulation process.

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