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Your baby's genitals are forming – here's how that works

Your baby's sex is set early, but genitals take weeks to form. Here's when they develop, and when you might spot it on an ultrasound.
Nature

Prenatal diagnosis of 22q11.2 deletion when ultrasound examination reveals a heart defect

Purpose: The incidence of 22q11.2 deletion syndrome is approximately 1 in 5,000 births, and accounts for 5–30% of all heart defects, making it one of the more common genetic conditions in the ...