There are 2 main medications used for ovulation induction:
These oral drugs are usually started from day 2-5 of the menstrual cycle for a period of 5 days
Ultrasound monitoring is started a week after start of the drug.Usually when ovulation induction is done with oral medicines, trigger injection is administered once follicle measures about 22- 29 mm.
Ovulation takes place 36-40 hours after trigger administration.