hey Have been married for 2.5 years now.In aug 2021 had under went laparoscopy for umbilical sinuses,dr had asked to refain from pregnancy.Then in April 2023 had underwent hysteroscopy for endometrial polyp.My period cycles are usually long like 38,37 days.And it’s not same always.My amh level is 1.97.Fsh is 5.1 and Lh is 5.9 when measured on 2nd day of period.Had taken letrozole for this period which started on july 1 and ended on july 7 but till now had not experienced ovulation. Can you pleasee guide me.?