Hello doctor im 33 yrs ild and first time to take diana 35 pills..i have started taking diana 35 pils and today will finish the 1 pack. Of it..my period still not come this week i gain weight on this pills and i want to change this pills to althea pills..is it ok i i start to change it now or should i continue and wait for my period to comes before i change my pills to althea pills.? Please enlighten me..thank you.