Home > Sex > Need-to-know Updated 26 July 2013 14 common sex questions We've received thousands and thousands of questions on our sex forum. About which problems have people posted the most questions? And what are the answers? We've picked the top 14. 0 Shutterstock Check Are you a sex addict? » Ask Sexologist » Talk Heart to heart » Quiz Are you ready for sex? » 10 ways a condom can't protect you... The science of orgasms explained We've received thousands and thousands of questions on our sex forum. About which problems have people posted the most questions? And what are the answers? We've picked the top 14.1. I have erection problems. What can I do?2. Can I get Aids or other STIs from oral sex? 3. What are my risks of contracting STIs or Aids during sex, and other sexual acts?4. Is masturbation good or bad? 5. How can I give great oral sex? 6. Do women prefer circumcised or uncircumcised men? 7. What is the Kama Sutra, and how can I learn the techniques? 8. I have never had an orgasm, or only had an orgasm with myself, or struggle to reach orgasm. What can I do? 9. What is female ejaculation? 10. Is penis enlargement possible? 11. Does size matter? 12. What is the G-spot? How can I find it and stimulate it?13. Am I pregnant?14. I or my partner has a low libido, or I have lost my sexual desire. (Picture: sex concept from Shutterstock) More in Sex Does size matter? More: SexNeed-to-know SPONSORED: We want your Facebook like Join our Facebook community and help us reach 100 000 likes fast! advertisement Get a quote Momentum - save up to 35% on healthcare advertisement Read Health24’s Comments Policy Comment on this story 0 comments Add your comment Thank you, your comment has been submitted. Logout Comment 0 characters remaining Share on Facebook Logout Comment 0 characters remaining Share on Facebook Loading comments... From our sponsors Exam stress – a challenge for the whole family Cardiovascular risk factors Take care of your teeth. Anytime. Anywhere. Like us on facebook! Live healthier Knee pain relief » Knee injuries Test your knee pain knowledge Symptoms of knee pain Do you suffer from knee pain? Do you suffer from recurrent knee pain? It could be osteoarthritis... Vitamin wise » Vitamins for HIV What to eat for vitamin B? Cut down on vitamins Get your vitamins right Find out which vitamin to use for which condition. Ask our Vitamin expert.