Fetal sex organs begin developing around nine weeks' gestation. A primary problem some experts have with the Ramzi theory is it claims to detect a child's sex at six weeks' gestation, which is before the sex organs are even formed.

Summary The Ramzi theory is not a proven method of determining the sex of your baby. If you want to find out the sex of your baby, a blood test or ultrasound once the genitals are developed are the most accurate methods.

Learn more about the background and accuracy of the Ramzi theory, along with other ways to determine the sex of your baby.

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The primary indication for performing this test is to provide information on the baby’s risk for chromosomal disorders, including Down syndrome. The test isn’t used as simply a sex determination test, unless there’s concern for sex-linked disorders.

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And that's because, says Professor Lees, "there is no scientific evidence¹ behind this theory and, given that many placentas are neither on the left nor the right side, it is highly improbable that this has any validity at all."

You can also most likely learn your baby's gender—if you choose—on the spot since by then the genitals are formed.

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According to Dr. Robles, the Ramzi theory originated in the early 2000s, when Ramzi claimed to have found the correlation after analyzing thousands of prenatal ultrasounds. According to his findings, the theory "predicts fetal gender" rein 97% of the cases.

Initial studies on the Ramzi method do not support that idea that the location of a women’s placenta rein the first trimester canpredict a baby’s sex.  Most trials have used small Fortpflanzungsgemeinschaft samples, and any correlations were not significant. 

Scanning planes that your technician uses while scanning in the clinic can have a direct effect on the accuracy of the Ramzi Method. The orientation of the placenta depends on which scanning plane welches applied.

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Your click here doctor may order an ultrasound if you’re experiencing pain, swelling, or other symptoms that require an internal view of your organs. Learn more.