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Ectopic Pregnancy Recurrence: A Complete UK Guide

What Are the Chances of Another Ectopic Pregnancy?

After one ectopic pregnancy, the risk of having another is approximately 10-15% in the UK. While this means around 1 in 7 to 1 in 10 women will experience a recurrence, the encouraging flipside is that roughly 85-90% will go on to have a pregnancy in the correct location, whether naturally or with assistance. Understanding your individual risk profile helps you plan and take appropriate precautions in any future pregnancy.

Why Does Recurrence Happen?

Most ectopic pregnancies are caused by damage to the fallopian tubes, and if one tube is damaged, the other is often at least partially affected too. The principal risk factors for recurrence include:

  • Previous ectopic pregnancy - the single biggest risk factor
  • Pelvic inflammatory disease (PID) - often caused by untreated chlamydia
  • Endometriosis affecting the tubes
  • Previous tubal surgery including sterilisation reversal
  • Fertility treatments such as IVF (though most IVF pregnancies are uterine, the ectopic rate is slightly higher)
  • Smoking - damages the microscopic hairs (cilia) that move the egg along the tube
  • Age over 35 - egg quality and tubal function decline
  • Conception while using an IUD/coil - rare but associated with higher ectopic rates

Reducing Your Risk in Future Pregnancies

While some factors (like age or prior surgery) cannot be changed, several evidence-based steps can reduce your recurrence risk:

1. Stop Smoking

Smoking is one of the few modifiable risk factors for ectopic pregnancy. NHS Stop Smoking Services offer free support, nicotine replacement therapy and behavioural counselling. Quitting before conception significantly improves tubal function and overall fertility.

2. Screen for and Treat Infection

If you have ever had PID or a sexually transmitted infection, ask your GP for a full sexual health screen (available free at GUM clinics across the UK). Treating any current infection reduces tubal scarring.

3. Take Folic Acid

Taking 400 micrograms of folic acid daily before and during early pregnancy reduces the risk of neural tube defects and supports healthy implantation. If you have had methotrexate, your doctor may recommend 5mg folic acid for a period.

4. Allow Time to Heal

Most UK specialists advise waiting until you have had one normal period (for surgery) or until hCG has been negative for 3-6 months (after methotrexate) before trying to conceive. This allows physical and emotional recovery.

Monitoring in Your Next Pregnancy

Because of the increased risk, any pregnancy following an ectopic should be treated as potentially ectopic until proven otherwise. On the NHS, you should:

  • Contact your GP as soon as you have a positive test
  • Ask to be referred for an early transvaginal scan at 6-7 weeks
  • Have serial hCG blood tests if the pregnancy is too early to see on scan
  • Report any unusual pain or bleeding immediately

Most early pregnancy units (EPUs) in the UK will fast-track women with a history of ectopic for early scanning.

Fertility Treatment Options

If you have been trying to conceive naturally for 6-12 months after an ectopic without success, or if both tubes are damaged, your GP can refer you for specialist fertility assessment. Options include:

While the risk of recurrence is real, it is by no means inevitable, and most women who have had an ectopic go on to have a successful pregnancy. By reducing modifiable risks, seeking early monitoring and leaning on NHS and charity support, you give yourself the best possible chance of a healthy outcome next time.