My ovulation test is going on. on 6th day rt. ovary follicle is 6,7 in mm and lt. oary follcle is 5,6. endometrium thickness is 4. on 10th day rt, ovary is 6,7 and lt. ovary is 6,10. endometrium thickness is 5. 0n 13th day rt. ovary follicle is 6,7 and lt. ovary follicle is 6,10. endometrium thickness is 7.5. what does this mean?