Could The Periods Be Affected With Ayurvedic Aloe Vera Juice?

Hi, may I answer your health queries right now ? Please type your query here...my lmp was on 8th feb'11 but till nw i m yet to have my menses but mu blood hcg and urine tests show negative.doc gave me regestrone tablets for 5 days.i finished yesterday.at the same time m taking aloe vera juice from ayurveda.will my periods be affected?will my ps come due to this tablet?