Pregnant women who have used retinol, insist on continuous observation and terminate the pregnancy in case of confirmed fetal malformation. 1. Continuous observation: Retinol, also known as Vitamin A, is a derivative of vitamin A. Once the level is too high during pregnancy, it will lead to adverse effects on the growth and development of the fetus, and may even cause fetal malformation. However, if it is only used occasionally and in small amounts, the effects on the fetus and the pregnant woman are generally minor. 2. Termination of pregnancy: If pregnant women use large amounts of retinoids for a long period of time, it may lead to the emergence of fetal malformations, so they need to undergo regular obstetric examinations, and once diagnosed with fetal malformations, they need to consider termination of pregnancy as soon as possible. Common adverse reactions to retinol include nausea, vomiting, urinary frequency, urinary urgency, and loss of appetite, etc. Retinol is contraindicated in pregnant and lactating women. In addition, the use of retinol carries certain risks and it is necessary to obtain the guidance of a specialist.