There
is a small risk, and
it sounds like you are reasonably close to her fertile period too. It would probably be a good idea for her to take a "morning after" pill, these are effective up to 3 or 4 days after sex.
If she doesn't like condoms (and as long as neither of you are having sex with anyone else ever!), you should get another method of contraception sorted SOON. There are several options - pill, IUD, injections, contraceptive implants...