Vaginal itching - HELP!

Ladies! I'm about 6 weeks pregnant, and I have had uncontrollable itching down yonder. I avoid itching as much as possible, but it still gets irritated and turns to a burning itch. To the point where I don't want to have sex because of how much it burns. I use Vagisil wash for sensitive skin, and I have the Vagisil anti-itch wipes. Is this normal? Or am I alone in this? What can I do to stop this??? Help!