Introduction: Isthmocele is a uterine wall defect at the CS scar region. It was linked with the detrimental result of breastfeeding, increased incidence of gynaecological risks. Objective: to equate gel Inflammatory sonohysterography with TV ultrasound only in non-pregnant women in evaluation of caesarean section scar. Methods: This sample consisted of 100 non-pregnant women and the findings of a comparison between TVUS and GIS in the assessment of CS scar; after follow-up from the patients, risk factors and clinical results have been published. The Goldstein Sonohysterography Catheter was administered on all participants subject to complete biography, clinical assessment, TVS alone, and eventual GIS. Result: Caesarean niche occurrence is 25 percent. With reference to the C.S. niche Sonographical assessment by TVS and GIS, there was a statistically important discrepancy in defect length (P=0.017), defect height (P=0.035), and myometric thickness adjacent to the defect (P= 0.013). GIS showed that the triangle parameter by gel instillation sonohysterography was the most studied niche classification (48 percent) Furthermore, semi-circle, droplet and inclusion cyst are 24%, 16%, 8% and 4%, respectively. niches Conclusion: TVUS and GIS are both successful, but GIS is far more reliable when it comes to determining niche properties.