Is the Ramzi Theory Accurate?

The Ramzi theory claims that you can determine baby’s sex early on in pregnancy simply by looking at the location of the placenta on an ultrasound. But is it accurate? “There’s a 50 percent chance with simple guessing that the sex is male or female,” said Kyle Graham, M.D., a board-certified OBGYN at Obstetrics and Gynecology of San Jose, part of Pediatrix® Medical Group. “I’d venture to say the Ramzi theory is about that accurate.” Prenatal tests like non-invasive prenatal testing (NIPT) and chorionic villus sampling (CVS) are far more accurate than the Ramzi theory. Typically done between weeks 10 and 12 of pregnancy, the NIPT is a common screening test done through a blood draw, said Dr. Graham. CVS is a genetic test that takes a small sample of cells from the placenta. According to Dr. Graham, it’s one of the most accurate ways to determine baby’s sex.

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