I am 25 yrs old I am a married women

Patient: I am 25 yrs old. I am a married women and i have a daughter of 6 yrs old. I am a software engineer, i got a job in abroad and am get ready for that. my last menstruation period date is March 25- 2015. but some symptoms occurred and i take a pregnancy test, hence noticed that i am pregnant. in the present condition i am not prepared for a second baby this time. Is abortion possible with pills during this time ? is any side effects ? please give more details about this.