Can Plecentrex Injections Delay Periods, And If So, How Long Until My Cycle Returns To Normal?

Hi, I have been tested breast cyst. BIRADS SCORE 2. My doctor advised me 5 plecentrex injection along with other medicines. Such as sevista30, cabgolin 0.5, primosha 1000. But after getting plecentrex injection my period have been delayed for 2 months. During this time I have no sex habit. So my question is does plecentrex injection delayed period if yes then how long it will take time and when my period come back again in normal mode. My age is 40yrs. Pl advise me. I am very much anxious.