Chronic hypertension in pregnancy

Area of Science:

• Obstetrics and Gynecology
• Cardiology
• Maternal-Fetal Medicine

Background:

• Chronic hypertension during pregnancy is linked to adverse maternal and fetal outcomes.
• Risks are higher in women with uncontrolled severe hypertension, target organ damage, or superimposed preeclampsia/abruptio placentae.

Purpose of the Study:

• To review the management of chronic hypertension in pregnancy.
• To highlight the need for evidence-based guidelines, particularly for low-risk pregnancies.

Main Methods:

• Review of existing literature and clinical guidelines.
• Categorization of chronic hypertension in pregnancy into high-risk and low-risk groups.

Main Results:

• High-risk pregnancies require aggressive antihypertensive therapy, lifestyle changes, and frequent monitoring.
• The benefits and risks of antihypertensive therapy in low-risk chronic hypertension are uncertain, with current practices often based on consensus rather than evidence.

Conclusions:

• Women with chronic hypertension need pre-conception or early prenatal evaluation to stratify risk.
• Randomized trials are urgently needed to guide antihypertensive treatment decisions in mild chronic hypertension during pregnancy.