So women who are exposed to ionizing radiation ionizing simply means once that beam hits those molecules, they ionize those molecules by basically bumping electrons to higher energy levels. So women who are exposed to ionizing radiation, such as X rays, gamma rays, et cetera, during pregnancy have a much higher chance of giving birth to children with different types of abnormalities, defects as well as cancer. So, for example, a woman who is pregnant probably shouldn't be prancing around some type of nuclear power plant, a power plant or a place like Chernobyl because those places contain very radioactive atoms and very radioactive sources. And if they are to actually ingest those radioactive sources, that can cause a lot of damage to that developing fetus. And an unfortunate example of how radiation can affect the developing fetus are the children who are born to mothers who were exposed to the radiation that occurred at Chernobyl. Now, the final two factors I want to briefly discuss is malnutrition and excessive levels of vitamins.