Is it necessary to perform a uterine evacuation after a medical abortion if the residual tissue measures 13mm by 8mm?

Medical abortion usually refers to drug-induced termination of pregnancy. A residual size of 13mm by 8mm after medical abortion generally requires a dilation and curettage (D&C) procedure to prevent complications. The detailed analysis is as follows:

Under normal circumstances, if the retained tissue in the uterine cavity measures more than 10mm after medical abortion, this indicates a significant amount of residue. In such cases, medication treatment tends to be less effective and may interfere with normal uterine contractions, leading to open blood sinuses and subsequent bleeding. Additionally, prolonged retention of tissue within the uterine cavity may result in intrauterine infection. Therefore, when the residual tissue measures 13mm by 8mm after medical abortion, a D&C procedure is generally recommended to prevent adverse outcomes.

After medical abortion, patients should closely monitor their condition. If any abnormalities occur, prompt medical attention is necessary. Treatment should be conducted under the guidance of a qualified physician to avoid negative impacts on health.