Can Medicine Be Taken To Regulate Menstrual Periods?

Hi Doctor,

I have question regarding my pregnancy.
Last week i got my periods which was very irregular.When ever i urinate thethe flow was very high other time I had very light bleeding. normally my periods flow will be very normal compared to this month.So I consulted a doctor and she has give me some tablets name MEDROXY PROGEST and BUSCOPANT so that again I will get periods this week.Is this safer?