myths of trying for a boy or girl

Tayla🌼 • Two daughters 🌸🌸 13month Gap. 👶🏼 👶🏼 👼 healing from loss 😭 at 11 weeks pregnant. NOW -🌈 👶🏼 on board
Does anyone know of any myths about what to do to get a certain gender during sex ? Curiosity thanks !