Hai Doctor Iam Suma I Took Ecofert-50 . Iam Suffering

hai doctor iam suma i took Ecofert-50 . iam suffering stomach pain last 15days and iam also suffering from breast pain. i used echofert 10days from 5th day of menstrual cycle. Is this side effect for using ecofert-50 tablets?. why i ask this question because i have no pain last month. and i haven't any stomach pain in before menstrual days .