Does a pregnant person with arteriovenous malformations (AVMs) have an increased risk?

Does a pregnant person with arteriovenous malformations (AVMs) have an increased risk?

Because of the increase in blood volume and blood pressure that comes with pregnancy, being pregnant with an AVM can increase the risk of an AVM bleed. In some people, the changes brought on by pregnancy can cause the sudden appearance or worsening of AVM symptoms.