Fetus at Week 21 - Black Skin

Description

Fetus at 21 weeks’ gestation occupies the center of the frame, with the placenta positioned adjacent to the fetal trunk and the umbilical cord coursing from the placental disk to the umbilicus on the anterior abdominal wall. Limbs are fully formed, with the upper extremities held anterior to the thorax and the lower extremities flexed at the hips and knees, making the proportions of the head, torso, and long bones easy to compare in a single fixed perspective. Facial contours, external auricles, and individual digits are legible, while the eyelids appear fused, consistent with mid second trimester development. Black skin tone is applied consistently across the fetal integument against a black background, keeping attention on surface anatomy and fetoplacental relationships. Week 21 sits in the window for the standard second trimester anatomic survey, so placental location and cord insertion matter clinically alongside fetal biometry. This illustration supports teaching points around anterior versus posterior placentation, marginal or velamentous cord insertion as risk factors for vasa previa, and how placental morphology and umbilical cord caliber relate to fetal growth restriction and twin complications. Soft, directional lighting separates the placenta from the fetal abdominal wall and clarifies the three-dimensional course of the umbilical cord without crowding the smaller distal structures. Obstetrics and embryology courses can pair this illustration with ultrasound modules to anchor gestational age expectations and surface landmarks used during the 18 to 22 week scan. Perinatal counseling handouts and medical publishing layouts will also benefit from an inclusive fetal skin tone option while keeping the fetoplacental unit intact for discussion of placenta previa, cord abnormalities, and prenatal care planning. Anatomical accuracy verified by SciePro's Medical Advisory Board.