Endometrium in the Proliferative Phase (Ultrasound Scan)

Endometrium in the proliferative phase (ultrasound scan).Oestrogen causes the endometrium to grow and produces the triple-layer structure typical for the proliferative phase, as the mucosal layers in the anterior and posterior endometrial walls grow towards each other in the uterine cavity.

Picture: Ilkka Järvelä