Hypertension during pregnancy, which includes chronic hypertension and gestational hypertension, is a significant health concern that can lead to complications for both the mother and the fetus. It is defined as a blood pressure reading of 140/90 mmHg or higher. Hypertensive-related conditions such as preeclampsia and eclampsia can severely impact pregnancy outcomes, necessitating close monitoring and management throughout the course of pregnancy, childbirth, and the postpartum period.

Pregnant individuals with hypertension face increased risks of placental abruption, preterm birth, intrauterine growth restriction, and the development of preeclampsia or eclampsia. Additionally, hypertensive disorders can lead to long-term cardiovascular issues for the mother, including increased risk of hypertension in future pregnancies. For the fetus, the risks include lower birth weight and potential developmental issues due to impaired blood flow and oxygen delivery.

Hypertension in pregnancy may be asymptomatic, which is why regular prenatal check-ups are crucial. When symptoms do manifest, they may include severe headaches, visual disturbances, upper abdominal pain, and swelling of the hands and feet. In cases of preeclampsia, additional symptoms such as protein in the urine and rapid weight gain may also be evident, indicating a need for immediate medical evaluation.

Hypertension during pregnancy can arise from pre-existing conditions or may develop as a result of pregnancy-related changes. The two primary hypertensive disorders of pregnancy are gestational hypertension and preeclampsia, the latter being characterized by hypertension and proteinuria after 20 weeks of gestation. Risk factors include a history of hypertension, obesity, multiple pregnancies, and advanced maternal age. Additionally, underlying medical conditions such as kidney disease or diabetes may also contribute to the development of hypertension during pregnancy.

Diagnosis of hypertension in pregnancy involves routine blood pressure measurements during prenatal visits. A sustained elevation in blood pressure measurements, along with the presence of protein in the urine, helps diagnose gestational hypertension or preeclampsia. Additional tests, such as laboratory evaluations and ultrasound, may be utilized to assess fetal well-being and monitor any potential complications.

Management of hypertension in pregnant individuals typically involves lifestyle modifications such as dietary adjustments, increased physical activity, and weight management. If lifestyle changes are insufficient, healthcare providers may prescribe antihypertensive medications that are deemed safe for use during pregnancy. The primary goal is to lower blood pressure to safe levels while closely monitoring for any signs of maternal or fetal complications. In severe cases, especially in preeclampsia, early delivery may be necessary to safeguard the health of both the mother and the baby.

Preventive measures for hypertension during pregnancy encompass lifestyle modifications such as maintaining a healthy diet, engaging in regular physical activity, and managing stress levels. Women with known risk factors for hypertension should be monitored closely and receive appropriate prenatal care to manage blood pressure effectively. In some cases, low-dose aspirin may be recommended as a preventive strategy for those at high risk of developing preeclampsia.