RecruitingObservational Study of the Safety of Intravenous Artesunate Treatment of Pregnant Women and Their InfantsThis study is a prospective observational study in which a female patient who received IV Artesunate while pregnant can volunteer to provide information about her pregnancy and the outcome of her pregnancy. Information will be collected from patient's provider, the patient's obstetrician, the child's pediatrician, or other relevant healthcare provider.