He put his fingers outside vegina around clitoris . no penetration inside vegina. am still vergin. he ejaculated on towel. am i pregnant ?

Not likely, but...: if you are concerned about pregnancy wait three weeks; if you do not have your period, do a pregnancy test. If it is negative and you still do not have a period, you can do another test 7 days after the first. Protect yourself against unwanted pregnancy and STDs. Abstinence is 100% effective. Among sexually active people, when correctly used, barrier methods can protect against STDs. Take care.