If sex is getting boring with the usual sex positions here's how you can add some zing back into it. Try the rear entry or doggy style! It usually involves the woman on her knees facing away from the partner. Some variations can have the woman lying face down as well with a pillow under her belly for more leverage. Try these sex positions to get pregnant faster. Pros: It s a different sort of penetration from traditional missionary and allows the penis to hit the G-spot better which is supposed to be located somewhere along the front vaginal wall.