Parents, you need to get over your embarrassment about sex. You can't hide from it. It is part of why we exist, to procreate, so it would be best to have open and honest discussions with your kids about it instead of convincing them it is some kind of magic thing that can lead them into hell.
To not do this is to fail in your responsibilities.
@Iskios We had the birds and the bees talk earlier this year. It was a little embarrassing for My son and I but I brought my husband in to help with the discussion. He asked some very specific questions about biology in regards to the body parts of feminine and masculine presenting bodies and the differences between and why so we had the science talk about it and needless to say he was enlightened.