Will I Get A Delayed Menstrual Period After Taking Ovral G?

Hi,Last month I had taken ovralg tablet for around 21 days and i had got my period sharp after 3 days of stopping the tablet. I would like to know if my next period would be returned within 30 days or will my period get extended. I have a kid of 1 year and I didnot had any irregularities in my periods before getting pregnant