Several young ladies across South-South have having taking pregnancy that is planned but not desirable to gain weight in order to make them more beautiful and attractive without taking it into cognizance, the aftermath of such act. This weight gained from aborted pregnancy have given these ladies a lot of health issues. This study is aim to evaluate the Health Outcomes Associated with Post-Abortion Weight Gain Among Female Students in Tertiary Institutions in South-South Nigeria. This was a cross-sectional study involving 250 women. A well-structured questionnaire was administered to participants. The study lasted for a period of 3 months. Statistical analysis was done using SPSS version 25.0 and p < 0.05 was significant. The results revealed that 76% of the participants have health issues after planned abortion, 80% gained excessive weight, 68% had diabetes mellitus, 68% had hypertension, 72% have cardiovascular diseases, 85% had high cholesterol, 70% had liver issues, 55% had stroke, 80% had sleep apnoea, 74% had Shortness of breath, 70% had hormonal imbalance, 55% had reduced mobility and flexibility, 85% had irregular menstrual cycles and 80% had Poor quality of life. Majority of the participants experienced weight gain due to planned abortion and this becomes dangerous when it progresses into overweight or obesity. It affect nearly every organ system and increase the risk of chronic diseases, psychological problems, and reproductive complications.