The first period after induced abortion is clinically always slightly heavier than previous periods, so don’t be nervous, the color is still dark red. If you have had dysmenorrhea in the past, you may still have dysmenorrhea when you have your period. If you did not have dysmenorrhea in the past, and you have lower abdominal pain when you have your first period after induced abortion, it is recommended to clinically rule out the following causes: 1) pelvic inflammation caused by pelvic infection after induced abortion, so you will have stomach pain when you have your period. 2) endometriosis caused by induced abortion, so you will have lower abdominal pain during your period. 3) endometriosis caused by induced abortion, so you will have lower abdominal pain when you have your period. 4) endometriosis. With the further progress of endometriosis disease, it is possible to find foci of endometriosis in the pelvis through ultrasound, and this pain will gradually worsen.