Is an endometrial thickness of 16 mm severe?
Jul 13, 2022
Source: Cainiu Health
Dr. Chen Zhe
Introduction
Endometrial thickness varies depending on the menstrual cycle. After menstruation ends, rising estrogen levels cause the endometrium to thicken; after ovulation, further estrogen elevation leads to additional endometrial thickening. During menstruation, the endometrium sheds, resulting in thinning. An endometrial thickness of 16 mm is normal during the luteal phase (i.e., after ovulation). However, if the endometrium measures 16 mm immediately after menstruation has ended, it is indeed abnormally thick.
Many women discover during gynecological examinations that their endometrial thickness reaches 16 mm. Excessive endometrial thickness can also adversely affect gynecological health—so, is an endometrial thickness of 16 mm considered serious?
Is an endometrial thickness of 16 mm serious?
Endometrial thickness varies throughout the menstrual cycle. After menstruation ends, rising estrogen levels stimulate endometrial thickening; following ovulation, further elevation of estrogen causes additional endometrial thickening. During menstruation, the endometrium sheds and becomes thinner. Thus, an endometrial thickness of 16 mm is considered normal during the luteal phase (i.e., after ovulation). However, if the endometrium measures 16 mm immediately after menstruation has ended, this is abnormally thick and may indicate conditions such as endometrial polyps or endometrial hyperplasia.
Endometrial thickening is a common uterine disorder, primarily caused by ovarian dysfunction. Its main clinical implications include: 1. The most prominent symptom of endometrial thickening is amenorrhea—or, conversely, prolonged or irregular vaginal bleeding following amenorrhea, along with menstrual cycle disturbances, inconsistent menstrual duration, and unpredictable menstrual flow volume; 2. Endometrial thickening can impair female fertility. During normal ovarian cyclicity, oocytes secrete both estrogen and progesterone, enhancing endometrial blood circulation and preparing the endometrium for embryo implantation. In contrast, in cases of anovulation, the endometrium is exposed solely to unopposed estrogen stimulation, leading to simple endometrial hyperplasia—which is unsuitable for successful embryo implantation.
The uterus is a vital organ in women, serving as the site for menstruation and fetal development. Any uterine abnormality can directly disrupt the menstrual cycle and compromise fertility; therefore, routine uterine care is essential. We hope this information proves helpful to you!
