Transplacentally is a term used to describe a substance that passes from the mother to the fetus through the placenta. However, there are several other words that can be used to describe this process. Some synonyms for transplacentally include maternofetal, placental transmission or transfer, fetal maternal transfer, and intrauterine transport. These terms are often used in the fields of obstetrics, pediatrics, and pharmacology to describe the transfer of nutrients, medications, or other substances from the mother to the developing fetus. Understanding the process of transplacental transfer is important in managing maternal and fetal health during pregnancy.