Hi I Am Ramya 29 Years Old Married . I

Hi i am ramya 29 years old married . i have five years child. I got my period on Dec 27 and after that no periods. I done HPT On Feb 11 it was negative i visited gyneac she give meprate 10mg 2 tab for 3 days. four days completed but didn,t came my period. i have tsh. i tested it result is little bit high the normal values, whats the problem please suggest.