Dr. Saam Ramzi Ismail developed the Ramzi theory. It’s also sometimes called the Ramzi’s method. Dr. Ismail claims it can determine fetal sex as early as 5 weeks into a pregnancy using a 2-D ultrasound. But just how sound is this theory? It claims to be able to determine the gender of your baby as early as 5 weeks up until 8 weeks. Past the 8 week point the placenta begins to thin out, grow and move. This makes theory less accurate.  “The theory uses the  placenta/chorionic villi location as a marker for fetal gender prediction this was found to be highly reliable. This method correctly predicted the fetus gender in 97.2% of males and 97.5% of females early in the first trimester.


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According to this theory, Dr. Ismail tried to determine if there was a relationship between a baby’s sex and how and where the placenta formed. He did this by looking at the laterality of placental/chorionic villi. These are the hairlike formations that make up the placenta. However, this method of determining sex hasn’t been confirmed by peer-reviewed research. A peer-reviewed journal is where established medical studies are published so their validity can be reviewed by other scientists and doctors. Still, it’s become a very popular topic of discussion among women who are pregnant. Many women are posting screenshots from their early ultrasounds to see if anyone can guess their baby’s sex using the Ramzi theory.


ramzi theory prediction

Unlike an abdominal ultrasound, a transvaginal scan is performed when the ultrasound wand is inserted in to the vaginal canal in order to take photos from inside. These internal scans are used earlier in the pregnancy (5-8 weeks) to help the sonographer to obtain a higher quality view and to also check for multiple pregnancies. There is a huge debate among pregnant women who discuss the Ramzi Theory. The question to answer is whether transvaginal ultrasounds appear to be on the “same side” as pictured on the scan. Likewise, abdominal scans are “flipped,” or a “mirror image.” although this is sometimes true, this is not always the case. Sometimes transabdominal ultrasound scans are true to the same maternal side. Abdominal ultrasounds are usually flipped, but there are cases they are not. So this is where we come in as the experts in the field to be able to work this out and determine exactly what gender your baby could be.

The Studies Dr. Saad Ramzi Ismail

The Ramzi theory is based on the original research performed by Dr. Saad Ramzi Ismail. In this study ,more than 5,000 fetuses were scanned by ultrasound for placental location and gender. In normal fetal development, the genitals develop at around 4 weeks gestation so with ultrasounds performed early in pregnancy, it is nearly impossible to accurately determine gender based on visualization of the genitals.

In this study, ultrasounds were performed at 6 weeks gestation and then again between 18-20 weeks, when gender can be reliably predicted. Ultimately, all fetal genders were confirmed at birth. Using the data collected from the study, it was concluded that at six weeks gestation, 97.2% of the male fetuses had a placenta on the right side of the uterus. For female fetuses, in 97.5% cases, the placenta was found on the left side of the uterus.

Ramzi Theory uses this data to form the conclusion that gender can be reliably predicted during early ultrasound based on the position of the placenta within the uterus. There have not been additional studies performed to confirm or dispute this theory.

For more information regarding the most accurate early gender prediction follow the link

The information provided to you is backed by many years of knowledge on the nub theory. We are not medical professionals nor do we provide medical advice.

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