Approximately 20 days after stage 1, you will begin down regulation. This stage can take anywhere between 2-4 weeks and involves giving the doctor control of your ovaries by depriving the pituitary gland in the brain from controlling them. This is done with a course of GnRH analogue drugs. This prepares the ovaries for external stimulation.
As soon as you start your next period, call your doctor and a baseline scan will be arranged for you, which will happen on day 2 to 5 of your period. You should be now be fully down regulated, meaning your ovaries are not actively developing eggs.
The baseline scan excludes cysts on the ovaries and polyps in the uterus and ensures that the lining is thin [approximately 3 mm] and that you are ready to start treatment.
Side effects:These drugs may cause some symptoms such as headaches, hot flushes, night sweats and mood swings. Not everyone suffers side effects though.
Please note: Treatment timelines will need to be adjusted based on how each patient responds to their medication.