Background: The application of an IUD to the female after placenta delivery during a caesarean section had several benefits since the female was under anesthetic, which reduced the need for additional manipulation and pain, and the female at the time of delivery had a strong desire for family planning. IUDs placed postpartum experienced numerous disengagements, including bleeding and displacement. Objectives: To evaluate the efficacy of post placental IUD insertion during cesarean section in 100 patients. Patient and methods: A prospective study was conducted at obstetrics and gynecology department of Damanhur Medical National Institute in the period from March 2022 to March 2023. Group I: included 52 women who agreed to insert immediate post placental IUD at the cesarean delivery. Group II: included 48 women as control group. The type of IUD used was cupper-T IUD, both groups were assessed as regard to time of cesarean section (CS), amount of postoperative bleeding, postoperative pain, occurrence of infection, any displacement of IUDs, failure of contraception and patients’ satisfaction. Results: In both groups, the demographic information was comparable. The medical histories of the investigated patients and the control group did not differ significantly according to our research. The study group's caesarean procedure took a little longer to complete. There were no appreciable differences between the two groups in terms of infection, puerperal hemorrhage, or IUD displacement. Both groups' satisfaction levels were displayed as either pain or displacement. In the research and control groups, the expulsion rates were 3.92% and 0.00%, respectively. Conclusion: Based on our research, we draw the conclusion that IUD insertion during CS is safe and effective, avoiding the reasons why it can be challenging to insert an IUD after puerperium and having a low expulsion rate; so, it can be considered a standard procedure.