Is it painful to remove the endometrium?

Is it painful to remove the endometrium?

If the endometrium is to be removed, it will naturally be quite painful and will make women completely lose their ability to have children. Therefore, you should never do this operation unless it is absolutely necessary. Only when your endometrium is in a healthy state can you conceive successfully. If your endometrium is too thick or too thin, you will not be able to conceive successfully and may even suffer from habitual miscarriage.

The endometrium (uterine endometrium) refers to the layer that makes up the inner wall of the mammalian uterus. It responds to both estrogen and progesterone and can therefore change significantly with the sexual cycle (estrus cycle, menstrual cycle).

The endometrium is divided into three layers: the compact layer, the spongy layer, and the basal layer. The dense layer and spongy layer of the 2/3 endometrial surface are collectively called the functional layer, which are shed periodically under the influence of ovarian sex hormones. The basal layer is the 1/3 of the endometrium close to the myometrium. It is not affected by ovarian hormones and does not undergo cyclical changes.

The mechanism of PCD in the endometrium is still unclear, but it is related to the cyclic changes in ovarian steroid hormones. The estrogen and progesterone receptors of the endometrium act as a transcription factor to regulate the expression of genes related to estrogen and progesterone, thereby causing proliferation and secretory changes in the endometrium. At the same time, some polypeptide growth factors and their receptors synthesized by the uterus, such as EGF, PDGF, IGF-1, IGF-2, etc., may be the mediators of the effects of estrogen, promoting cell proliferation and differentiation.

Through immunocytochemistry technology, it was found that the human uterus produces cell death inhibitory factors such as BCL-2 as early as the embryonic period. The expression of BCL-2 in adult endometrium is mainly in interstitial cells and changes periodically, reaching a peak in the late proliferative stage, decreasing in the early secretory stage, and disappearing in the late secretory stage and during menstruation. Therefore, it is speculated that the disappearance of BCL-2 in the late secretory phase and menstrual period is closely related to the death of endometrial cells and the occurrence of menstruation.

Endometrial cytokines

⒈ Epidermal growth factor and its receptor: Epidermal growth factor (EGF) is mainly distributed in the uterine cavity epithelium, glandular epithelium and stromal cells, and shows periodic changes. Its physiological effects are: 1. Stimulating the proliferation of endometrial glandular epithelium and stroma, and causing stroma differentiation under the synergistic effect of progesterone; 2. Acting on receptors on the cell surface, rapidly stimulating tyrosine phosphorylation, and promoting the release of endometrial PGE2.

⒉ Platelet-derived growth factor: Platelet-derived growth factor is mainly derived from endometrial stromal cells. It can stimulate the proliferation of interstitial cells themselves or adjacent epithelial cells, thus having autocrine and paracrine effects. At the same time, PDGF can enhance the cell proliferation effect of EGF.

⒊ Insulin-like growth factor: Through in situ hybridization technology, it was found that the mRNA of insulin-like hybrid factors (IGF-1, IGF-2) is widely distributed in the endometrial epithelium, stromal and myometrial cells, and its synthesis is regulated by estrogen rather than progesterone.

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