Hi, I Am Nov Alampayan 22 Years Old From Philippines.

Hi, I am Nov Alampayan 22 years old from Philippines. It is that hard for me to do but I have too. I am a rape victim and I cannot say I am pregnant or what .. II still hope not. The incident happened last March 17, 2015 and supposedly I should have my menstruation this March 24, 2015 but I dont.. I dont have signs of being pregnant like vommit, change of attitude or whatever but i am worried for i do not have my menstruation . sorry but i have to know how to aborsuch. i am worrried.. i do not know what to do