Introduction: Hypertensive disorder of pregnancy is a global public health concern both in developed and developing countries. Aim: To find out the prevalence of hypertensive disorders in third trimester of pregnant women. Methods: A health care facility Cross sectional descriptive type of observational study was carried out to find out the prevalence of hypertensive disorders in 100 third trimester of pregnant women and associated factors at ANC clinic of RHTC, department of community medicine, SP Medical College Jaipur, Rajasthan, from sept. 2021 to dec. 2022. Results: mean age of 24.30± 3.26 years, Prevalence of hypertensive disorder was 10%. Out of 10, 6(6%) were preeclampsia, 2 (2%) Gestational hypertension, 1(1%) chronic hypertension, 1 (1%) Eclampsia. Conclusion: Primary care physicians have a critical role to play in the early identification and management of hypertension during early antenatal care. Keywords: RHTC, ANC, Hypertension, Third trimester.