If you have questions about your health, you should consult your personal physician. This event is meant for informational purposes only. He will be answering your questions about love and sexuality. Having sex for the first time is a very big event. The best way to approach this is to realize it is on a continuum.
Most people believe intercourse is the definition of sex, but so is manual and oral stimulation.
Having non-intercourse sex first makes intercourse a lot easier because you are comfortable with nudity and genital contact. It usually takes a few times to get comfortable with intercourse. Always practice safe sex. The first time you can be so nervous that you are actually not paying attention. I completely lost my desire for sex.