Fetus at Week 16

Description

Fetus at 16 weeks’ gestation is presented in a flexed second-trimester posture alongside the placenta and its umbilical cord, all isolated against a white background. Proportion changes typical of this stage are apparent: the head remains relatively large, but the trunk and limbs lengthen, with the thighs and legs extending inferiorly from the pelvis and the forearms held closer to the thorax. The placenta lies separate from the fetal body in the same frame, with the umbilical cord coursing from the fetal umbilicus to its placental insertion; the cord’s surface suggests the amniotic covering and underlying Wharton’s jelly. Fine surface anatomy, including developing external ear contours and early digital separation of the hands and feet, supports teaching points for week-16 fetal development without crowding the field. Week 16 sits in the practical window for screening and diagnostic decisions, and the placenta-cord relationship is often the part learners misinterpret when moving between ultrasound schematics and real anatomy. Obstetric counseling around amniocentesis (commonly performed after 15 weeks) benefits from an accurate mental model of where the placenta and cord can lie relative to the fetus, and why transplacental needle paths are avoided when possible. Lighting and isolation help the viewer read silhouettes and attachment points quickly, making the placental disc and cord insertion easy to reference when discussing velamentous insertion, marginal insertion, or the downstream relevance to vasa previa. Use this illustration in embryology and obstetrics teaching decks, prenatal care handouts that explain second-trimester milestones, and medical publishing layouts that need a single, uncluttered frame with fetus, placenta, and umbilical cord together. It also fits case-based modules on invasive prenatal testing, placental abnormalities, and fetal growth assessment in early second trimester. Anatomical accuracy verified by SciePro's Medical Advisory Board.