After abortion, hard lumps in the chest, if it is caused by estrogen and progesterone stimulation, it can disappear on its own, but if the hard lumps in the chest are caused by organic lesions such as mammary fibroids and mammary nodules, it will not disappear on its own. 1. Disappear on their own: after pregnancy, due to the rise in the level of estrogen and progesterone in the body, may stimulate the mammary ducts, so that the mammary follicle hyperplasia, which caused the phenomenon of hard lumps in the chest, and the level of estrogen and progesterone in the body of the woman after the abortion will fall significantly in a short period of time, and after the fall of the chest of the hard lumps will disappear naturally. 2. Won’t disappear: women have hard lumps inside their breasts, if they are caused by organic lesions such as breast nodules, breast hyperplasia, breast cancer, etc., they won’t disappear in this case, and generally need early surgical treatment. After the abortion of hard lumps inside the chest, it is recommended to go to the hospital in a timely manner, after the doctor’s interview with the relevant items of the examination, to clarify the cause of the disease, for the cause of the treatment.