How common is pelvic pain in ectopic pregnancy?

An ectopic pregnancy develops outside the main cavity of the uterus, most often in a fallopian tube. As it grows, it can cause pelvic or lower abdominal pain, sometimes focused on one side. Pain may be sharp, persistent, or intermittent, and some people also have vaginal bleeding, a missed period, breast tenderness, nausea, or shoulder-tip pain.

Pelvic pain in early pregnancy has several possible explanations, including normal pregnancy changes and other conditions. The symptom alone cannot confirm an ectopic pregnancy. A healthcare professional may use a pregnancy test, blood tests, and ultrasound, sometimes repeating tests to clarify where the pregnancy is developing.

If pregnancy is possible and you have pelvic pain, contact a healthcare service promptly for advice rather than waiting for the pain to settle. Tell them when your last period began, whether you have bleeding, and whether the pain is one-sided or worsening. Do not drive yourself if you feel faint or severely unwell. Keep access to emergency help while arranging assessment.

Call emergency services or go to an emergency department immediately for severe or sudden pelvic or abdominal pain, fainting, dizziness, shoulder-tip pain, unusual weakness, heavy vaginal bleeding, or a fast heartbeat. These can occur if an ectopic pregnancy has ruptured and internal bleeding is developing. Urgent assessment is also needed for worsening one-sided pain or pain with a positive pregnancy test, even when bleeding is light.

Ask: Could this pain be related to the location of a pregnancy? Which tests will show where the pregnancy is? When should testing be repeated? What changes mean I should go straight to emergency care?