镜下显示正常增生期子宫内膜。在正常月经周期中的增生期，随着上次月经周期内膜的脱落，子宫内膜腺体柱状上皮和间质细胞呈增生状态。
This is the microscopic appearance of normal proliferative endometrium in the menstrual cycle. The proliferative phase is the variable part of the cycle. In this phase, tubular glands with columnar cells and surrounding dense stroma are proliferating to build up the endometrium following shedding with previous menstruation.