Gestational Hypertension: Symptoms, Monitoring & When It Becomes Preeclampsia

Understanding the Diagnosis

Gestational hypertension is diagnosed when blood pressure reaches 140/90 mmHg or higher on two occasions at least 4 hours apart, after 20 weeks of pregnancy, in a woman with previously normal blood pressure. Unlike preeclampsia, there's no protein in the urine or organ damage. About 15-25% of cases progress to preeclampsia.

Monitoring and Management

Your provider will: check blood pressure more frequently (possibly twice weekly), monitor urine protein at each visit, order regular blood work (liver enzymes, platelet count), perform non-stress tests and ultrasounds to monitor baby, and may prescribe antihypertensive medication if BP stays above 150/100. Home blood pressure monitoring is usually recommended.

📖 Also read: Safe Medications Pregnancy Cold | Gestational Diabetes Diet Plan

When It Becomes Preeclampsia

Gestational hypertension progresses to preeclampsia when accompanied by: protein in urine (300mg+ in 24 hours), elevated liver enzymes, low platelet count, kidney problems, fluid in lungs, new-onset headache unresponsive to medication, or visual disturbances. Report these symptoms immediately: severe headache, vision changes, upper abdominal pain, sudden swelling (face, hands), or rapid weight gain.

Delivery Planning

For gestational hypertension without severe features, delivery is typically recommended at 37 weeks. For severe features or preeclampsia, delivery may be earlier depending on severity and gestational age. After delivery, blood pressure usually normalizes within 12 weeks. Women with gestational hypertension have a higher lifetime risk of cardiovascular disease — discuss long-term monitoring with your provider.

Frequently Asked Questions

Is this information medically reviewed?

Yes. All Wermom medical content is reviewed by board-certified pediatricians and OB-GYNs. We follow guidelines from the AAP, ACOG, WHO, and CDC. However, this information is educational and doesn't replace personal medical advice from your healthcare provider.

When should I call my doctor?

Trust your instincts. If something feels wrong or you're concerned about your baby's health, call your pediatrician. They'd rather hear from you with a question that turns out to be nothing than miss something important. For emergencies (difficulty breathing, unresponsiveness, seizures), call 911 immediately.