Gestational hypertension

Gestational Hypertension

Gestational hypertension, also known as pregnancy-induced hypertension, is a condition characterized by high blood pressure that develops after 20 weeks of gestation in individuals without a prior history of hypertension and is not accompanied by proteinuria or systemic findings such as thrombocytopenia, impaired liver function, progressive renal insufficiency, pulmonary edema, or the new onset of cerebral or visual disturbances.

A pregnant individual having blood pressure measured, a key step in diagnosing gestational hypertension.

Definition

Gestational hypertension is defined as a systolic blood pressure of 140 mmHg or higher or a diastolic blood pressure of 90 mmHg or higher on two occasions, at least four hours apart, after 20 weeks of pregnancy in a woman with previously normal blood pressure.

Causes and Risk Factors

While the exact cause of gestational hypertension is not fully understood, several risk factors have been identified, including: - First pregnancy - Multiple gestation (e.g., twins or triplets) - History of hypertension or preeclampsia in previous pregnancies - Family history of preeclampsia - Maternal age (over 40 or under 20 years) - Obesity - Pre-existing medical conditions, such as diabetes or kidney disease

Symptoms

Often, gestational hypertension presents without noticeable symptoms. However, it may be detected during routine prenatal visits when blood pressure is measured. Severe cases can lead to symptoms similar to those of preeclampsia, necessitating close monitoring.

Diagnosis

Diagnosis involves regular blood pressure monitoring after the 20th week of pregnancy. Additional tests may include urine analysis to check for proteinuria, blood tests to assess liver and kidney function, and fetal ultrasound to monitor the baby's growth and amniotic fluid volume.

Treatment and Management

The primary goal in managing gestational hypertension is to prevent its progression to preeclampsia or eclampsia and to ensure the health and safety of both the mother and the fetus. Management strategies may include: - Close monitoring of blood pressure and fetal health - Lifestyle changes, such as reduced salt intake and increased rest - Medication to control blood pressure in more severe cases - Delivery of the baby, if the condition is near term or if there are signs of danger to the mother or the baby

Complications

Gestational hypertension can increase the risk of several complications, including: - Development of preeclampsia - Preterm birth - Placental abruption - Low birth weight

External Links

• American College of Obstetricians and Gynecologists - Preeclampsia and High Blood Pressure During Pregnancy
• Mayo Clinic - Preeclampsia

References

Gestational hypertension Resources
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