Hi iam married for 7 mnth,my period cycle is not regular from past three mnths.its been 35 days got my periods,i did 2 pregenancy tests both r negative,i consulted doctor ask me to use meparate 10mg tablet for 5 days in 20th day of period time...but 2 mnth i use that meoarate 10 mg tablet,but i should not gt pregnant,is there any side effects using these tablets...