Can You Get Pregnant With One Fallopian Tube?

Can You Get Pregnant With One Fallopian Tube?

Yes — pregnancy with one fallopian tube is entirely possible, both naturally and through IVF. One functioning tube is sufficient for natural conception.

How One Tube Affects Natural Conception

Each tube serves its nearest ovary — capturing the egg after ovulation and providing the meeting place for sperm. With one tube:

• Cycles where ovulation is on the same side as the remaining tube: normal function
• Cycles where ovulation is on the opposite side: the remaining tube can sometimes capture the egg cross-anatomically, though less reliably

Studies show: Women with one healthy tube have approximately 60–70% of the normal monthly conception rate. Time to pregnancy is somewhat longer, but most women with one healthy tube conceive naturally within 12–18 months.

What Matters: Why the Tube Was Lost

Ectopic pregnancy requiring tube removal: A previous ectopic suggests something about the tubal environment that predisposed to the original ectopic — previous infection, inflammation, or anatomical factors. Risk of repeat ectopic in the remaining tube is approximately 10–15%. Monitor all early pregnancies with serial hCG and ultrasound.

Surgical removal for other reasons: If the remaining tube is healthy, fertility is largely preserved. The 60–70% per-cycle estimate applies.

IVF Completely Bypasses the Fallopian Tubes

This is the most important point: In IVF, eggs are retrieved directly from the ovaries, fertilised in the laboratory, and embryos are placed directly into the uterus via catheter. Fallopian tubes play no role at any stage.

Success rates with IVF are identical whether you have one tube or two — provided no other factors are present. One tube is neither advantage nor disadvantage in IVF.

The Hydrosalpinx Exception

A hydrosalpinx is a blocked, fluid-filled tube. The fluid it contains is embryotoxic and can leak back into the uterine cavity around the time of embryo transfer — reducing IVF implantation rates by approximately 50% in meta-analysis data.

Treatment: Surgical removal or occlusion of the hydrosalpinx before IVF. Both ASRM and ESHRE recommend this. After treatment, IVF success rates return to expected levels.

A hydrosalpinx on one remaining tube must be treated before IVF — regardless of having only one tube.

Should You Try Naturally or Go to IVF?

One healthy tube, under 35, no other factors: Natural attempts for 6–12 months are reasonable. Fertility evaluation (AMH, semen analysis, tubal patency test) is worthwhile first.

Over 35, additional fertility factors, or history of ectopic: Seek specialist evaluation promptly. IVF is often preferred to avoid ectopic risk and for efficiency.

Tubal Patency Test

Before natural attempts, confirm the remaining tube is open — especially if there has been any history of pelvic infection, PID, or endometriosis. Options: HyCoSy (ultrasound), HSG (X-ray), or laparoscopy.

Reference: ASRM — Ectopic Pregnancy and Infertility, 2022. ESHRE — Tubal Infertility, 2023.