👉 Birthmarks are marks or features on the skin that appear during pregnancy. These can range from small, soft areas to larger, more noticeable ones and can occur in both males and females. They usually develop on the baby's face, neck, chest, back, arms, legs, and sometimes other body parts. The appearance of a birthmark may vary by gender, but they are most commonly seen in newborns or children between 1 to 2 months old. Some birthmarks can be benign