What Type Of Contraceptive Pill Shall I Take?

Hello doctor my name is Harisa on 28 of jan 2011 i took pills for abortion by consulting a doctor. Now I want to take step of contraceptive till 2 years...My husband is a Marine Engineer n 2 months he will be out of country the next one month he ll spend time with family ..that is his job so every 2 months he comes home for a vacation of one month so what kind of contraseptive will you suggest for me..thank you.