Suggest Remedy For Periods Problem

hi doc, i am 26 years old and weight - 60 , height - 5.1 and all normal report as per my gyn doc. i have last period on 4 th june 2014 and in july i missed it . i took pregnancy test which is -ve. i am taking apcod and cronika tablets daily to get my perioods also expecting pregnancy . so can i again test pregnancy test or countinue to take pills to get my periods?