Human Fetus at 14 Weeks in the Womb, Lateral View (Caucasian Skin)

Description

A fetus at approximately 14 weeks of gestation is shown in left lateral profile, suspended in amniotic fluid within the translucent amniotic sac. The head remains proportionally large relative to the trunk, with a smooth domed cranial vault, closed eyelids, a defined nasal profile, and an auricle already showing helix and lobule modelling. One upper limb is extended above the head while the trunk is gently flexed over a rounded abdomen, and the lower limbs are drawn up in the characteristic fetal attitude with knees and hips flexed. The umbilical cord emerges from the anterior abdominal wall and courses posteriorly toward the placental surface, with the vascularised uterine wall forming the darker chamber around the sac. By the start of the second trimester the fetus has completed organogenesis and entered a phase of rapid growth and refinement: skeletal ossification advances, coordinated limb and swallowing movements appear, and external genitalia begin to be distinguishable on ultrasound. This is the window in which nuchal translucency and first-trimester combined screening give way to detailed biometry such as biparietal diameter, head circumference, femur length and crown-rump length, and when chorionic villus sampling or early amniocentesis may be discussed. The relationship of cord insertion, amniotic membrane and myometrium depicted here underlies assessment of amniotic fluid volume and cord anatomy. The rendering suits obstetric and midwifery teaching sequences on trimester-by-trimester development, embryology and human development textbook figures, and antenatal clinic material that helps parents visualise the fetus at the time of their first detailed scan. It also serves prenatal screening leaflets, pregnancy apps, and editorial or publication figures on second-trimester growth. Anatomical accuracy verified by SciePro's Medical Advisory Board.