The X factor in the sex equation is the relationship between your changing moods and your changing body: Just as every woman's pregnancy is unique, so is every pregnant woman's sex drive. If your spirit is willing but fears or misinformation are holding you back, this advice can help you relax. This position is the best sex position to get pregnant when it comes to conception because as the woman lies on her back, the vagina is tilted downwards toward the cervix; this makes it easier for the sperm to get through the cervix and into the uterus. Another benefit is that this position allows the penis to penetrate more deeply into the vagina, so . Other positions, such as standing up, or woman on top, may be just as good for getting sperm right next to the cervix. Or they may make no difference at all. We just don’t know yet. Or they may make no difference at all. We just don’t know yet.