baby's gender: MYTH or FACT

Totoo ba na kapag mahilig ka sa sweets, moody ka (madaling maiyak or mainis), palaayos ka at antukin ka, it means baby girl and pinagbubuntis mo? Hehe random question ko lang po ito since di pa pwede lumabas for ultrasound since lockdown pa. Gusto na namin malaman gender ng baby namin.