The endometrium is located in the uterus and is an important part of the uterus and the entire reproductive system. It will have a certain impact on women's menstruation and fertility. The thickness of the endometrium has a certain normal value. Whether the thickness of the endometrium is too thick or too thin, it will have adverse effects on women. So, what is the normal value of endometrium? This will be introduced below! 1. Proliferation stage Day 5-14 of the menstrual cycle. During this period, the thickness of the endometrium increases from 0.5mm to 3-5mm. The proliferation period is divided into early proliferation period, middle proliferation period and late proliferation period. In the early proliferation stage, which is 5-7 days in the menstrual cycle, the endometrium is relatively thin, only 1-2mm. The mid-proliferative phase is the 8th to 10th day of the menstrual cycle, when the endometrial glands increase in number and size. By the 11th to 14th day of the menstrual cycle, it has entered the late proliferation stage, and the endometrium further thickens to 3-5mm. 2. Secretory phase Day 15-28 of the menstrual cycle. The endometrium increases from 5mm to 10mm. This phase corresponds to the luteal phase of the ovarian cycle. The secretory phase is divided into early secretory phase, middle secretory phase and late secretory phase. The early secretory period is from the 15th to the 19th day of the menstrual cycle, during which the endometrial glands are longer and more curved. The mid-secretory phase is from the 20th to the 23rd day of the menstrual cycle, and the endometrium is thicker than before and has a serrated shape. On the 24th to 28th day of the menstrual cycle, this period is the pre-menstrual period, which is equivalent to the luteal phase regression stage. The endometrium at this stage is spongy and up to 10 mm thick. 3. Menstrual period Days 1-4 of the menstrual cycle. This is the period when the spongy functional layer of the endometrium disintegrates and falls off from the basal layer, which is the final result of the withdrawal of progesterone and estrogen. Since the thickness of the endometrium is different at different stages of the menstrual cycle, it is recommended that women go to the hospital for a vaginal B-ultrasound three days after the end of menstruation to find out the specific thickness of the endometrium. During ultrasound examination, if the endometrium is found to be thicker than 8mm, it can be considered abnormal. If the endometrium is too thick, it can easily cause dysmenorrhea and make it difficult for the fertilized egg to implant; if the endometrium is too thin, it can easily cause scanty menstruation and even affect ovulation. |
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