Backache and tummy pain are not necessarily a reaction to pregnancy. The most common cause of backache and tummy pain is chronic inflammation in gynecology, such as that caused by pelvic inflammatory disease. In addition, if there is a tumor in the pelvis, it can also lead to back pain and tummy pain. If a woman is just pregnant, most of the corresponding symptoms do not appear, with the further progression of pregnancy, to about 40 days of pregnancy may appear early pregnancy reaction, early pregnancy reaction of the specific performance is nausea, vomiting, anorexia, fatigue, dizziness, and localized breast swelling and pain, breast enlargement, nipple and areola coloring phenomenon, this is early pregnancy reaction in the clinic of the common symptoms, and low back pain, Small stomach pain often has little to do with pregnancy. If you are pregnant and have back pain and stomach pain, it may be caused by miscarriage with precocious abortion.