Level 1: How early in pregnancy do you need to start wearing radiation protection clothing? Pregnancy is a very special time for women, as both the health of the fetus and the mother require special attention. In modern society, people are often exposed to various electronic devices, such as mobile phones, TVs, computers, etc., which all produce radiation. So, how early in pregnancy do you need to start wearing radiation protection clothing? According to expert advice, pregnant women do not need to worry too much about radiation during the first three months of pregnancy