Pretreatment steps
1)Screening tests for both husband & wife.
2)Tubal patency test of wife is desirable.
3)Ovulation induction with medications
4) Follicular monitoring by ultrasound.
5)Timing of ovulation by giving HCG trigger injection (for egg release)when follicles are mature(>20 mm).
6)36-40 hours later, semen is processed and IUI done.