You should probably learn to spell it before you do it. Being pregnant is a possible result of sexual intercourse, but you don't need to actually have sex for pregnancy to occur. If the man's semen is near the woman's vagina, sperm may be able to get her pregnant even without intercourse.
By a process known as palpation. While holding the rear legs, stretch the bunny out with its backbone upward. with the opposite hand run it along, down the belly and gently feel for knots along the sides. If you feel them you are feeling embryos, if not try in again in a few days, or return her to the buck's cage.