Fetus at Week 21 - Black Skin

Description

Fetus at 21 weeks’ gestation appears in a second-trimester configuration with the placenta and a single umbilical cord attached at the umbilicus. Proportionally, the head remains large relative to the trunk, while the upper and lower limbs extend laterally with identifiable hands, feet, and long-bone segments (arm, forearm, thigh, leg) arranged in flexion. The placenta sits external to the fetal body as an oval discoid organ, and the umbilical cord courses from the placental surface to the anterior abdominal wall, forming the principal connection between fetal and maternal compartments. Melanin-rich fetal skin tone is presented against a black background for high edge contrast. Week 21 sits close to the standard mid-trimester anatomic survey window, so the spatial relationship between fetus, placenta, and cord supports teaching around placental location, cord insertion, and the fetal surface landmarks used in obstetric documentation. Cord insertion variants and placental proximity to the internal cervical os matter clinically when counseling for placenta previa, suspected vasa previa, or later third-trimester bleeding, and they also frame discussions of fetal growth restriction when placental insufficiency is considered. Strong separation from the background makes the silhouette, cord contour, and placental disc easy to read when you need a single-frame reference alongside ultrasound diagrams or MRI schematics. A fixed reference point. Use this illustration in embryology and human development curricula, obstetrics lectures on second-trimester assessment, and publisher figures that require an isolated fetus with placenta and umbilical cord in a consistent week-21 scale context. It also fits patient-facing prenatal care materials that address fetal development while representing Black skin tone in a medically grounded way. Anatomical accuracy verified by SciePro's Medical Advisory Board.