Genetic testing such as NIPT, CVS, or amniocentesis
Blood tests that detect fetal DNA in the mother’s blood
IVF with preimplantation genetic testing
At-home gender prediction kits based on urine or saliva
Chinese gender chart
Ramzi theory
Skull theory
Heart rate myths
Belly shape myths
Food craving myths
Ring test
Baking soda test
Old wives’ tales
Family history and previous children patterns