From 12 weeks the sign of the genital tubercle can be seen. From the 16th week onwards, the male and female genitalia can be visualized as long as the fetus is well-positioned.
Read the full article on: Week 16 of pregnancy: changes in the fetus and mother ( 36).
Óscar Oviedo Moreno
M.D.
Bachelor's Degree in Medicine & Surgery from the University of Caldas (Colombia). Specialist in Internal Medicine by the Pontificia Universidad Javeriana of Bogotá. Degree standardized in Spain in 2003. Specialist in Gynecology & Obstetrics from the Complutense University of Madrid, with residence at Hospital Clínico Universitario San Carlos de Madrid. Expert in Reproductive Medicine and Certification in Obstetric-Gynecologic Ultrasound (levels I, II and III).
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