3 Best Sex Positions To Conceive Baby Boy | If You Want to Have Baby Boy, Try These Sex Positions Now. It's OK, you can admit it: You'd totally rather your baby be a girl than a boy. your egg, since they have a shorter lifespan than female sperm do. Another common sex position believed to help couples conceive a female is spooning. . we are not just pregnant with a girl but we are pregnant with twin girls. Are you looking for the best sex positions to conceive a girl, naturally? position you have sex in, can actually influence the sex of your child.