im twenty years old healthy i exercise daily and everything, i have had a regular period for the last 8 years. this is my first time not getting my period and im nervous. i am sexually active with my boyfriend of three years he is also my first sexual partner.i had my implanon inserted two days before my period was due and it never came im afraid to talk to anyone about it as i have plans to travel the world and add to my university degree. so a baby is not on my agenda for awhile. help me i dont know is this normal should i take a pregnancy test.