Your thyronorm dose needs revision, as
TSH levels are still high. TSH less than 3 is desirable in early pregnancy. Laparoscopy will help identify cause for infertility and plan further treatment. However, you may undergo hysterosalpingography to see tubal patency. It is a non invasive test. PCOS responds well to ovulation induction. Do not worry about arcuate uterus, it will not affect your chances of conceiving