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Yolk Sac can reliably detect pregnancies destined for loss as early as 6 weeks, finds study
The yolk sac (YS) is the initial embryonic structure visible on ultrasound within the gestational sac (GS), typically ...
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Can the Ramzi Theory Really Predict a Baby's Sex?
The Ramzi Theory is attributed to Dr. Saad Ramzi Ismail, who theorized that placental location in the 6-week ultrasound could determine a baby's sex. That said, there's no evidence this theory ...