Fetus at Week 21 - Brown Skin

Description

Fetus at 21 weeks’ gestation is presented with the placenta and umbilical cord in a single, isolated field against a black background. The fetal trunk sits central with the head positioned superior to the thorax and abdomen, and the upper and lower limbs held in a flexed posture typical of the second trimester. From the anterior abdominal wall, the umbilical cord courses externally to the chorionic plate, where it inserts into the placental disc, placing fetal and placental anatomy in direct spatial relationship within one frame. At week 21, proportions and surface detail help anchor counseling and teaching around second-trimester milestones, including ongoing organ maturation and the rapid increase in fetal length and lean mass. Placental topography and cord insertion matter in obstetrics: a marginal or velamentous insertion can associate with fetal growth restriction and vasa previa, and cord length and coiling are routinely assessed when discussing compromised perfusion or abnormal Dopplers. Lighting and isolation make the cord-placenta-fetus continuity easy to read without competing maternal anatomy. Brown skin tone supports inclusive prenatal education materials. Use this illustration in embryology and human development courses to orient learners to mid-gestation anatomy, and in obstetrics resources that explain placental function, umbilical cord insertion, and second-trimester fetal assessment alongside ultrasound findings. It also fits patient-facing prenatal care handouts where a realistic fetal-placental unit improves communication about placenta-related pathology. Anatomical accuracy verified by SciePro's Medical Advisory Board.