It is not safe to consume cannabis during pregnancy, as it can have negative effects on the fetus. There is no known safe amount of cannabis for pregnant women, and it is recommended to avoid using it altogether. Cannabis can pass through the placenta and affect the baby's development, potentially leading to issues like low birth weight and cognitive impairments. It is best to consult a healthcare provider for alternative options to manage anxiety and nausea during pregnancy that are safer and still effective.