Background: A complicated biological and psychological experience, miscarriage is. The notions of miscarriage and intrauterine fetal death are distinct, with variations in definitions primarily resulting from advancements in medical science, increased survival rates for newborns with an extremely low birth weight, and economic factors. It is regarded as one of the crises women can experience in certain countries.. Aim: To evaluate the social support, self-efficacy and quality of life among women after miscarriage. Subjects and Method: A descriptive correlational research design was employed in this study. The El-Hayah Port-fouad Hospital and the Dar Sehat Almaraa Hospital in Port Said City were the setting of this study. A purposeful sample wrer recruited for this study to choose 148 post-miscarriage women. Three instruments were used to collect data in addition to a questionnaire on clinical and personal factors: the World Health Organization Quality of Life Scale (WHOQOL-BREF), the Generalized Self-Efficacy Scale (GSES), and the Berlin Social Support Scales (BSSS). Results: The women in the study were aged between 20 and 40, with a mean age ± standard deviation of 30.905 ± 5.814 years. Most of the women (75.7%) had less social support following their miscarriage, 68.2% had low self-efficacy, and only 9.0% had a very excellent quality of life. Additionally, there was a strong statistically significant positive link between quality of life and self-efficacy as well as between social support and quality of life. Conclusion: Between the overall quality of life score and the total social support score, there is a statistically significant positive link. Concurrently, a highly substantial and favorable statistical association was observed between the overall quality of life score and the total self-efficacy score. Recommendations: Peer support groups can be quite helpful because they give women a secure place to talk about their experiences, trade coping mechanisms, and offer support to one another. Peer support has been shown to dramatically increase social support, boost self-efficacy, and improve overall quality of life. To lessen stigma and misunderstandings around this subject, raise public awareness and educate the public about miscarriage.