Ectopic pregnancy is very dangerous for women today and needs to be detected early for surgery. After ectopic pregnancy surgery, a woman's body is very weak and may lose a lot of blood

A normal fetal umbilical cord contains two umbilical arteries and one umbilical vein encased in Wharton’s jelly. A single umbilical artery is a common umbilical cord abnormality that can pose risks to the fetus's health if not detected early.

Back pain after spinal anesthesia is usually just a mild discomfort and will quickly heal through the body's natural recovery mechanisms in the first few days. However, if the spinal anesthesia process damages the ligaments in the lumbar region, it can still cause back pain for the patient, although this is quite rare.