Human Fetus in the Womb at 23 Weeks (Asian Skin)

Description

The fetus is shown at approximately 23 weeks of gestation, lying in a flexed attitude within the amniotic cavity with the head directed inferiorly and to the right of the frame. The umbilical cord passes from the anterior abdominal wall at the umbilical ring across the chest, its two umbilical arteries spiralling around the single wider umbilical vein before inserting into the fetal surface of the placenta. The placenta appears as a discoid organ applied to the uterine wall, its chorionic plate carrying branching chorionic vessels beneath a translucent amnion. Fine surface detail is visible at this stage: separated fingers and toes, a formed auricle with early cartilaginous relief, fused eyelids, and sparse scalp hair over the still-prominent cranial vault. At 23 weeks the fetus sits at the threshold of viability, when pulmonary development reaches the canalicular to early saccular transition and surfactant production begins, making gestational dating and growth assessment clinically decisive. Views of this kind support discussion of cord anatomy and coiling, placental site and insertion type, and amniotic fluid volume, all routinely assessed at the mid-trimester anomaly and growth ultrasound. The same relationships underlie counselling on periviable birth, antenatal corticosteroid timing, and monitoring for fetal growth restriction or placental insufficiency. The rendering suits obstetric and midwifery teaching sequences that track development week by week, embryology and anatomy atlases, and antenatal class or clinic material explaining what a baby looks like in the second trimester. It also serves publishers, ultrasound training providers and patient-facing apps that need a consistent visual reference across successive gestational ages. Anatomical accuracy verified by SciePro's Medical Advisory Board.