If you are advised 2 tabs of letroz a day, then both need to be taken at once, not twice a day.
The tablet increases the no. of follicles in ovary and grows them. With serial monitoring by ultrasound
starting from 11 th day of your periods, the size of the dominant follicle is monitored and one inj. of hCG
is given to trigger ovulation, the evidence of which is again noted on ultrasound. Once confirmed that ovulation has occurred, you will be advised intercourse on alternate days. The time of ovulation cannot be predicted. It has to be monitored on scan.