Dctr after delivery my periods come 2 times now baby have 9 month. Next 3 period is late 45 days . I checked simple cyst on my left overy. My endometrial thickness is 15 mm. Dctr told me no prblm Cyct will goaway its on after cycle. Dctr didnt told me about endometrial thickness. Prescribe medicine norethisterone for to come periods. Any problem mam if endometrial thickness is 15 mm. Is it important to check the endometrial thickness after periods