The sagittal view of a pregnant female's uterus displaying maternal-fetal circulation. Maternal anatomy highlighted in this animation includes the aorta, iliac artery and vein, uterine artery and vein, and the uterus. The uterine artery and vein are responsible for delivering blood flow to the fetus. In this case, the mother ingested opioids and this animation shows how the opioids can affect the fetus via maternal-fetal circulation.
