Hi JayR,
I was reading your notes to OronD. I agree with OronD that the woman could conceive even if there was no vagina penetration. If this happens in her fertile period and the sperm entered the vaginal opening, this could still lead to fertilization.
You're right, Yedda is a good place to learn from others that's why I really like it and has become addicted to this website. And also this is a good place to interact with each other and to exchange ideas.
I learn a lot from your answers too. Take care.