First time sex is generally easiest in the missionary position you lying on your back, him on top of you since penetration is more natural in this position and his penis will find its way into your vagina more easily. Once again: If your vagina is burning or itching or feels any sort of bad thing during or after sex, talk to your doctor, especially if the sensation quickly doesn't go away on its own or gets worse over time. Use your hand to rub your vulva and control your thrusts. How to Have Multiple Orgasms. As long as it's totally consensual and safe, you're doing everything right. If you're not lubricated enough, penetration will be painful.
Though the amount of stress you feel before the exam is somewhat the same here too.
4 Best Gentle Sex Positions (For Virgins And Anyone Who Likes Pain-Free Sex)