Final answer:
Pruritis gravidarum is pregnancy itch, and Rx stands for prescription in the medical context.
Step-by-step explanation:
Pruritis gravidarum, also known as pregnancy itch, is a common condition where pregnant women experience itching on their skin. It can occur due to hormonal changes, stretching of the skin, and increased blood flow during pregnancy.
The Rx in the question refers to the medical abbreviation for prescription. In the context of pruritis gravidarum, Rx may refer to medication prescribed by a healthcare provider to help alleviate the itching.