Because of increased health risks to the rapidly developing embryo and fetus, pregnant women are limited to no more than 500 mrem (5 mSv) during the entire gestation period and no more than 50 mrem (0.5 mSv) near the abdomen each month. Additional information on pregnant occupational workers can be found in section 4.2 Declaration of Pregnancy. (More information on personnel monitoring can be found in chapter 4.0 Personnel Monitoring.)