Genital herpes living in pregnancy

Overview

Genital herpes is a common infection caused by a virus (herpes simplex). During pregnancy, it needs careful management to lower the risk of passing it to the baby during birth. With proper care, most women with genital herpes have healthy pregnancies and babies.

Yes, genital herpes is a very common sexually transmitted infection. Many people carry the virus without ever having symptoms. In pregnancy, about 1 in 5 women have genital herpes, and most have healthy pregnancies.

It affects anyone who has sex, regardless of age. This article focuses on women who are pregnant or planning to become pregnant and have genital herpes.

Symptoms

Common symptoms

• Pain, itching, or tingling in the genital area, often a few days before sores appear.
• Small blisters or open sores on the genitals, buttocks, or thighs that can be painful.
• Flu-like symptoms such as fever, body aches, and swollen glands during the first outbreak.
• The first outbreak is usually the worst; later outbreaks are often milder and shorter.

Symptoms in children

• Newborns infected with herpes can have blisters on the skin, fever, poor feeding, and extreme tiredness (lethargy).
• In severe cases, the virus can affect the brain or other organs. This is a medical emergency.

Symptoms in older adults

• In older adults, herpes outbreaks may be less frequent and less severe, but the immune system may weaken with age, potentially leading to more frequent outbreaks.

Causes

Main causes

• Genital herpes is caused by the herpes simplex virus (HSV). Most cases are caused by HSV type 2, but HSV type 1 (which usually causes cold sores) can also cause genital herpes.
• The virus enters the body through small breaks in the skin or mucous membranes during sexual contact.

Risk factors

• Having vaginal, anal, or oral sex without a condom or dental dam.
• Having multiple sexual partners.
• Having a partner who has genital herpes, even if they have no symptoms.
• A weakened immune system (for example, from HIV or chemotherapy) may increase the risk of outbreaks.

When to see a doctor

See a doctor urgently if:

• If you are pregnant and notice any signs of a herpes outbreak (sores, tingling, itching) — especially in your third trimester or as you approach your due date.
• If you have any herpes symptoms and think you might be going into labor (like contractions or your waters breaking).

Book a routine appointment if:

• Tell your doctor or midwife at your first prenatal appointment if you have ever had genital herpes, even if you have no current symptoms.
• If you have frequent outbreaks during pregnancy, ask about daily antiviral medicine to prevent outbreaks near delivery.

Diagnosis

A doctor can often diagnose genital herpes by looking at the sores. If needed, a swab from a sore can be tested to confirm the virus. A blood test can also check for herpes antibodies, but it is not always done in pregnancy.

Tests that may be done

• Swab test: A cotton swab is rubbed gently over a sore to collect fluid, which is sent to a lab to look for the herpes virus.
• Blood test: A sample of your blood is checked for herpes antibodies. This can show if you have had the virus in the past, even without symptoms.

What to expect at your appointment

If you are diagnosed with genital herpes during pregnancy, your doctor will talk with you about a plan. This may include taking antiviral medicine to prevent outbreaks and discussing your delivery options. Your support partner and healthcare team will guide you.

Treatment

Treatment for genital herpes in pregnancy focuses on reducing outbreaks and preventing transmission to your baby. Antiviral medicines are used safely to manage the virus. They do not cure herpes but help control it.

Self-care at home

• Keep the genital area clean and dry to help sores heal. Use a gentle cleanser and pat dry.
• Wear loose-fitting cotton underwear and avoid tight pants or synthetic fabrics.
• Apply a cool compress or take a warm bath to soothe pain and itching.
• Avoid sex while you have sores or tingling, as you can pass the virus to your partner.

Medical treatments

If you have genital herpes during pregnancy, your doctor may prescribe antiviral medicine. These medicines are taken by mouth and can be used as a short course during outbreaks or as a daily dose in the last few weeks of pregnancy to prevent outbreaks around the time of delivery. They are safe for you and your baby. Your doctor will decide the best schedule for you.

When is surgery considered?

If you have an active herpes outbreak (sores or tingling) when you go into labor, a cesarean section (C-section) is usually recommended. This greatly lowers the chance of passing the virus to your baby. If you have no outbreak, a vaginal birth is safe.

Living with this condition

Living with genital herpes during pregnancy means managing outbreaks and planning ahead. Take your medicines as prescribed, watch for early signs of an outbreak, and keep your healthcare team informed. Most women can continue their normal daily activities.

Lifestyle tips

• Reduce stress with relaxation techniques like deep breathing, meditation, or gentle yoga.
• Get enough sleep and rest to support your immune system.
• Avoid known triggers such as extreme tiredness, illness, or skin irritation in the genital area.

Diet and exercise

Eat a balanced diet rich in fruits, vegetables, whole grains, and lean protein to support your overall health. Moderate exercise, like walking or prenatal exercise classes, is safe and can help reduce stress. Avoid extreme or exhausting workouts.

Mental health and emotional wellbeing

Genital herpes can cause worry about passing the virus to your baby. These feelings are normal. Talk to your healthcare provider or a counsellor about your concerns. Remember, with proper care, the risk of transmission is very low. If you feel overwhelmed or anxious, reach out for support.

Prevention

You cannot always prevent genital herpes, but you can reduce the risk. Use condoms or dental dams during sex, especially if you or your partner have herpes symptoms. Avoid sex during outbreaks or when you feel tingling. If you have herpes, daily antiviral medicine can lower the chance of passing it to your partner.

Vaccines

There is currently no vaccine to prevent genital herpes.

Screening programmes

Routine screening for genital herpes is not recommended for everyone. But if you have symptoms or a partner with herpes, tell your doctor. They may suggest testing.

Complications

If left untreated

• Without treatment during pregnancy, the virus can be passed to your baby during vaginal delivery. This can cause a serious infection in the newborn called neonatal herpes, which can lead to brain damage, blindness, or even death.
• Untreated outbreaks can cause painful sores that may become infected with bacteria.

Long-term outlook

With proper medical care, the outlook is excellent. Most women with genital herpes have healthy pregnancies and babies. Antiviral medicines are very effective at preventing outbreaks near delivery, and C-section is almost always perfectly safe if an outbreak occurs. The key is to work closely with your healthcare team from early pregnancy onward.

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