Tubal Reversal Pregnancy Study 2009 – Tubal Lengths

Tubal Reversal Pregnancy Study 2009

Notice of Study Update

The following is Dr. Berger’s report from 2009. The corresponding page of an updated report can be seen at:
Tubal Reversal Pregnancy Study Report 2011 – Fallopian Tube Lengths

Pregnancy Rates By Fallopian Tube Lengths

The fallopian tube lengths remaining after a tubal ligation procedure are important determinants of the chances of getting pregnant after tubal reversal surgery. (Normal fallopian tube length before a tubal ligation is approximately 10 cm or 4 inches.)

Tubal segment lengths are measured routinely during surgery at Chapel Hill Tubal Reversal Center. The average length of the two fallopian tubes after repair was correlated with the likelihood of pregnancy after tubal reversal (Table 6). Women with longer tubal lengths had higher pregnancy rates than women with shorter lengths following tubal reversal. Women with tubal lengths of 7.5 cm or longer had a pregnancy rate of 77%. The pregnancy rate declined as tubal length decreased, but even women with the shortest tubes (less than 2.5 cm) became pregnant (38%). Although previously unreported in the medical literature, it became apparent during this study that a repaired fallopian tube of any length can result in pregnancy. Based on reports by women with only 1 fallopian tube, we now know that tubal lengths as short as 1 cm can result in a normal pregnancy.

Table 6. Pregnancy Rates by Tubal Length (cm)
Length Total Women Pregnant (No.) Pregnant (%)
7.5+ 469 362 77%
5.0-7.4 2826 1966 70%
2.5-4.9 1602 920 57%
<2.5 112 42 38%

Tubal Ligation Method And Tubal Length

When tubal ligation method and average tubal lengths are taken into account simultaneously, it becomes clear that the amount of fallopian tube remaining after a sterilization procedure is the more important factor predicting the chances of getting pregnant after tubal reversal surgery (Table 7). This makes sense, since the less damage that occurs to the fallopian tube during a sterilization procedure, the more remains to be able to function normally once the tube has been surgically repaired.

Table 7. Pregnancy Rates by Tubal Ligation Method and Tubal Length (cm)
Method 7.5+ 5.0-7.4 2.5-4.9 <2.5
Clip 137/168 (82%) 155/222 (70%) 7/11 (64%) -
Ring 86/118 (73%) 493/672 (73%) 35/62 (57%) -
Coagulation 49/62 (79%) 516/774 (69%) 448/706 (64%) 27/76 (36%)
Ligation/Resection 72/92 (78%) 723/1060 (68%) 395/736 (54%) 12/26 (46%)

Tubal Reversal Pregnancy Study 2009
Table Of Contents:

Pregnancy Outcomes After Tubal Reversal

139 comments on “Tubal Reversal Pregnancy Study 2009 – Tubal Lengths

  1. I am 6 weeks pg, just found out a few days ago. What tipped me off was that my bsetras were still tender after 2 weeks, as usually they only hurt the week before af. I also have had bad heartburn, but thought it was due to the spicy food I have been eating lately. I go pee alot, and have feelings of fullness as well as gas. This is baby #5 for me, and so far this one has given me the most symptoms the earliest.As far as negative pg tests, it could be numerous things such as an irregular cycle or too early to show positive on a hpt. You should call your doc and discuss this w/ them as well as ask for tests to check your thyroid, FSH LH levels, etc sometimes these test can pinpoint what’s up with your cycle.Good Luck!

  2. Katrina

    Most of these types of tubal ligation can be repaired. You should be a good candidate.

  3. I just got my operative report released to me and I can’t find anything that says how much tube was not effected during the TL. All it says is both tubes were cauterized in it’s midsegment. How do I know if I am a good candidate for a reversal??

  4. Heather – Look at your age group under the category of “coagulation” in Table 5 and you will see the success rate that applies to you.

  5. Hey! I had my tubed cut burned and tied during a scheduled c-section… I was just wondering what the success rate would be for me? Would it be possible for me to get pregnant after your procedure?? My husband doesn’t have any children but i have 4

  6. April

    Our experience has demonstrated those measurements are often incorrect because they are estimated measurements based on the doctors visual impression. We recommend sending any operative pictures to us for review. Also we would advise you to have a screening laparoscopy with us and this will allow us to look at your tubal segments directly and immediately before making a larger incision for tubal reversal.

  7. Dear Dr. Berger,

    I had a tubal coagulation performed in 2004. I am 29 tears old now. Before I had the procedure I was blessed with 3 healthy children. However, I am now remarried and my husband has no children. We have dreamed of having a child of our own for years. I recently saw a fertility doctor in Knoxville of whom does reversals. He told me that 5 cm had been coagulated and my best chance was to do IVF. He said that was an abnormal amount to be taken off, and that my chances would be very slim of becoming pregnant again. Is this true?

    Confused in Tennessee…

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