A 22-year-old pregnant woman reports craving and eating non-food items such as ice, clay, and dirt. Which of the following statements by the nurse is correct?

"You should be encouraged to eat more of these items to satisfy cravings.

"This is a normal behavior during pregnancy and does not require intervention."

This behavior, called PICA, may lead to nutritional deficiencies and should be assessed."

"PICA only occurs in the first trimester and will resolve on its own."