A patient in Ho Chi Minh City, Vietnam, who previously experienced ovarian hyperstimulation syndrome (OHSS) during in vitro fertilization (IVF) is seeking advice on preventing a recurrence in future cycles. OHSS is a potentially dangerous complication of IVF, characterized by an exaggerated response to the hormonal stimulation used to induce egg production. While the patient’s specific case details are limited, the inquiry highlights a common concern among individuals undergoing IVF treatment. Management strategies to mitigate OHSS risk often involve careful monitoring of hormone levels, adjusted medication protocols, and potentially, a “freeze-all” approach where embryos are cryopreserved rather than immediately transferred. Further consultation with a reproductive endocrinologist is crucial to determine the most appropriate preventative measures based on the patient’s medical history and individual response to stimulation. The patient’s question underscores the importance of proactive discussion regarding potential complications and personalized treatment plans in assisted reproductive technologies.