Hello doctor, I am archana from bbsr,I m 26 yrs old,2 mont my periods will b stopped ,and recently having Thiyord problem 7.29 I have been started thiyord medicine etroxin ,but I m tens because when my Periods reguraly,in feature this dises can very harmful for me in during pregency,pls doctor help Me,and which types of medicine in my regural periods.