Hi, thanks for posting your concern in the HCM . A dull aching back pain along with pain in lower abdomen and a bad obstetric history warrants further evaluation to rule out underlying uterine or ovarian pathology or pelvic inflammatory disease and ectopic pregnancy. Before any other test, please have a urine pregnancy test done at the earliest. You should have a transvaginal ultrasound scan to rule out any ovarian or uterine pathology. Urinary tract infection or any other pathology should also be ruled out. Therefore, you should have a routine urine examination also. You should also have a KOH test of vaginal secretion. NAT is done to rule out other causative organisms of PID. A complete blood count with ESR, urea, creatinine tests should be done. You should also consult your local gynaecologist for clinical examination and further management. In case you are diagnosed with any infection, appropriate antibiotic treatment will be needed. A USG of KUB should be done to rule out any renal, ureteric or bladder pathology. For the time being you should maintain good oral hydration. Please also avoid unprotected intercourse. If your bowel habit is irregular, have ispagulah husk 2 tsf in a cup of water at bedtime. For any further questions,please write back to me. Regards, Dr. Kaushik