Stretch Mark Oil can reduce stretch marks and is only used topically, and is generally not harmful to the fetus. Generally speaking, stretch mark oil is made of olive oil, which can play a role in soothing the skin, reducing stretch marks and promoting postpartum recovery, and it is usually mild in nature, can be used topically, and will not affect the fetus through the skin and the placental barrier. As long as you choose a regular manufacturer of stretch mark oil, pregnant women can use it normally. It is recommended that pregnant women apply a moderate amount of stretch mark oil during pregnancy, and pay attention to timely exercise in the postpartum period to accelerate the body’s metabolism, promote uterine contraction and fat consumption, so as to minimize the adverse effects of pregnancy and childbirth on the female figure. If skin irritation occurs after using stretch mark oil, you need to seek medical advice promptly.