Introduction: Hyperthyroidism associated increases in thyroid hormone concentrations have to be differentiated from physiological adjustments in thyroid hormone economic system that rise up all through being pregnant, especially in the first trimester. For one thousand births, one or two instances of gestational hyperthyroidism exist. It's critical to stumble on hyperthyroidism in a pregnant female due to the fact it is able to have harmful outcomes for each the mom and the infant. Presenting Complaint and Investigations: Patient’s chief complaints were vomiting, discomfort since 2 days. After physical examination and investigations, doctor diagnosed this as case of G2A1 with 35 weeks gestational age. This was a known case of gestational hypertension with hyperthyroidism. Investigations included Blood test, urine test, thyroid Profile, USG. Obstetric History: Patient had bad obstetric history. 2.5 months spontaneous abortion was reported. The Main Diagnoses, Therapeutic Interventions, and Outcomes: Gestational Hypertension with Known case of Hyperthyroidism. The patient had undergone various investigations like blood tests, USG, Physical examination. After physical examination and investigation doctor took a decision of emergency Lower segmental Caesarean section. Under spinal anaesthesia Lower segmental Caesarean section was done and outcome is good. Nursing Perspectives: Administered fluid replacement i.e. DNS and RL, Fetal monitoring, monitored all vital signs and observed the outcomes of treatment. Conclusion: Treatment and control of hypertension and hyperthyroidism in pregnancy at the right time increases the pregnancy's outcome.