What is the Normal Range for Endometrial Thickness?
The normal range for endometrial thickness varies throughout the menstrual cycle. During the early proliferative phase, the endometrium is typically 1-3 mm thick. As it progresses to the late proliferative phase, it thickens to around 6-10 mm. In the secretory phase, following ovulation, the thickness can increase to 10-16 mm. Postmenopausal women generally have a thinner endometrium, often less than 5 mm.