Background
The effect of the use of tubal sterilization as a birth control
Method
on ovarian function, ovarian reserve and menopausal age is
questionable. In fact, bilateral salpingectomy or tubal ligation 1 and
conservative abdominal hysterectomy 2 were sometimes related to
decrease ovarian function and premature menopause. The decrease
of hormonal secretion will cause endocrine disorders manifested
by decreased libido, vaginal dryness, mood swings and vasomotor
symptoms. The alteration of the ovarian function by sterilization
has been hypothesized to be responsible for menstrual abnormalities
and hormonal disturbances that characterize the so-called post-
tubal ligation syndrome. 3,4 The logic behind this theory is that the
vascularization of the ovaries by either ovarian artery or the utero-
ovarian anastomoses as well as the fallopian tube destruction reduce
the utero-ovarian arterial blood flow in the mesosalpinx, which leads
to ovarian tissue damage. 4 In 1987, Riedel HH et al .5 found that the
levels of estrogen and progesterone decrease after fallopian tube
sterilization and hysterectomy. 5 Nonetheless, Kusche M et al. 6 in
1994 contradicted this finding by stating that no endocrinological
parameters in the perimenopause were found, neither did cycle
anomalies and ovarian deficiency symptoms in terms of climacteric
complaints occur earlier, nor did early onset of menopause occur more
often in the operated group.6
In this context, the objective of the present study was to compare
age at menopause between the women having already undergone tubal
ligation and the control group having intact fallopian tubes. Also, we
review literature about the long-term safety of tubal ligation.
Methods
Study settings and population
For the purpose of this case-control study, we retrospectively
reviewed the medical records of all women (cases) who had previously
undergone bilateral tubal ligation between 1970 and 2010 at the
department of Obstetrics and Gynecology, Hôtel-Dieu de France
(HDF) University Hospital, Beirut, Lebanon.
More than 200 patients were contacted of whom many were
found to have changed their phone numbers. Eligible cases had to
be menopaused; menopause was defined as having amenorrhea for
more than 12 months with or without symptoms related to hormonal
depletion. Exclusion criteria were patients who were operated for
bilateral ovariectomy or salpingectomy or hysterectomy before
their physiological menopause, and patients who got chemotherapy,
radiation therapy or any hormonal therapy that could influence
their reproductive function and alter their normal evolution towards
menopause.
The 50 cases were then compared to 50 randomly chosen
menopaused women (controls) from the department of Obstetrics
and Gynecology at HDF, who did not get any tubal ligation or
gynecological surgeries (intact tubes, ovaries and uterus) but meeting
the same eligibility criteria as the cases.
Data collected
Socio-demographic and biological data were collected from the
patients’ medical records, such as year of birth, age at the time of
operation, obstetrical history (gravida and para), age at menopause,
weight and height. Body Mass Index (BMI) was calculated.
Obstet Gynecol Int J. 2018;9(2):100‒103. 101
©2018 Tayeh et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which
permits unrestrited use, distribution, and build upon your work non-commercially.
T ubal ligation and early menopause: a case-control
study
Volume 9 Issue 2 - 2018
Georges Abi Tayeh,1,2 T oufic Naba,1,2 Ogarite
Habib,1,2 Elie Attieh,1,2 Fersan Mansour,1,2
Assaad Kesrouani,1,2 Samer Maalouf1,2
1Department of Obstetrics and Gynecology, Hôtel-Dieu de
France University Hospital, Lebanon
2Faculty of Medicine, Saint Joseph University, Lebanon
Correspondence: Dr. Georges Abi Tayeh, Department of
Obstetrics and Gynecology, Hôtel-Dieu de France University
Hospital, Boulevard Alfred Naccache, Beirut, Lebanon, P .O. Box:
16-6926, T el 961 1 427 400, Fax 961 1 426 400,
Email
Received: September 28, 2017 | Published: March 19, 2018
Abstract
Background: This study aimed to assess whether bilateral tubal ligation is associated with
premature menopause by reviewing the menopausal age of patients with tubal ligation and
comparing it to patients with intact adnexa.
Methods
This retrospective study collected data in 2015 from all bilateral tubal ligation
cases performed at Hôtel-Dieu de France University Hospital, Lebanon. Data including age
of menopause were analyzed and compared to an equal number of menopaused women
who did not undergo any tubal ligation or gynecological surgeries and randomly chosen
(controls).
Results
50 cases of menopaused patients with a history of tubal ligation were analyzed and
compared to 50 controls. The mean menopausal age in the operated group was 48.86 years
versus 49.56 years in the control group ( P=0.342). No significant difference was found
between both groups for all the study variables.
Conclusion
The association of tubal ligation and premature menopause is still questionable
although some studies suggest a relationship between tubal ligation and decreased ovarian
function.
Keywords
menopause, ovarian function, sterilization, tubal ligation
Obstetrics & Gynecology International Journal
Clinical Paper
Open Access
Tubal ligation and early menopause: a case-control study
102
Copyright:
©2018 Tayeh et al.
Citation: Tayeh GA, Naba T, Habib O, et al. T ubal ligation and early menopause: a case-control study. Obstet Gynecol Int J. 2018;9(2):101‒103.
DOI: 10.15406/ogij.2018.09.00314
Statistical analysis
Cases and controls were compared using the Student’s t-test with
a two-sided significance level of 5%. Data were analyzed using IBM
SPSS version 20 (IBM Corp. Released 2011. IBM SPSS Statistics for
Windows, Version 20.0. Armonk, NY: IBM Corp.).
Ethical considerations
The study was approved by the ethics committee of HDF and data
were collected after patients gave their written informed consent.
Anonymity and confidentiality of all participants were guaranteed
during data collection and analysis.
Results
50 tubal ligation cases were included in this study and compared
with 50 menopaused patients with intact pelvic organs. The
characteristics of these 100 patients are detailed in (Table 1).
T able 1 Characteristics of the study population (N=100)
Minimum Maximum Mean Standard
deviation
Age (years) 47 77 58.16 6.9
Gravida 0 14 5 2.52
Para 0 10 4.1 2.12
Age at menopause (years) 35 57 49.21 3.66
Weight (Kg) 45 115 71.71 12.67
Height (m) 1.47 1.75 1.64 0.05
BMI (Kg/m2) 15.94 40.75 26.64 4.22
No significant difference was found between the cases and the
controls for any of the study variables (Table 2).
T able 2 Mean value of the characteristics of the two compared groups
Case group
(n=50)
Control group
(n=50) T otal (N=100) P-value*
Age (years) 58.2 58.12 58.16 0.954
Gravida 5.24 4.8 5 0.364
Para 4.36 3.82 4.1 0.204
Age at
menopause
(years)
48.86 49.56 49.21 0.342
Weight (Kg) 73.36 70.1 71.7 0.194
Height (m) 1.64 1.63 1.64 0.471
BMI (Kg/m2) 27.14 26.15 26.64 0.242
*T wo-sided significance level set at 5%.
Discussion
Tubal ligation may reduce the ovarian blood flow leading thus to
the decrease of the total follicular pool, ovarian function and in an
early state of hormonal deficiency. Several publications suggest that
tubal ligation induces alteration of the endocrine profile of operated
women. Goynumer G et al. 7 found a significant difference between
the postoperative 10th-month Day-3 total ovarian volumes and antral
follicle counts in the tubal sterilization groups. 7 Ozyer S et al. 8 went
further and compared an elective tubal ligation by mini-laparotomy
and tubal ligation done during a C-section. They found that intra-
operative cesarean section tubal sterilization seems to have less effect
on the ovarian reserve when compared with planned tubal sterilization
by mini-laparotomy (higher levels of anti-mullerian hormone, lower
levels of inhibin B and increased number of antral follicles and mean
ovarian volumes).8 In 2004, Kelekci S et al. 9 reported an increase of
follicle stimulating hormone (FSH) levels with no decrease in ovarian
reserve or ovarian stromal blood supply. 9 The same findings were
described in their two studies in 2005.10,11
In parallel, other publications made opposite conclusions. As
such, Dede FS et al. 12 stated that the rate of ovulation was slightly
improved after the procedure, and ovarian reserve was not negatively
affected.12 Carmona et al. 13 found no significant changes of FSH,
luteinizing hormone, 17beta-estradiol and inhibin levels, despite that
a 45% increase in FSH concentration from baseline to the 60-month
control was detected in tubal sterilization versus 30% in the control
groups of women.13 Cevrioglu AS et al.14 also found no difference in
uterine or ovarian artery blood flow rates or ovarian hormone secretion
in comparison with baseline values.14
Finally when comparing age of menopause, Nichols HB et
al.15 found no significant association between tubal ligation and
menopausal age, 15 which is compatible with our findings. In our
results, there is a lack of data regarding smoking status and presence
of endometrioma knowing that these two factors are important for
the occurring age of menopause. Pokoradi AJ et al.16 found that tubal
sterilization was associated with younger age at menopause16 which is
consistent with findings of Visvanathan et al.17
Conclusion
To conclude, the present study found no difference in menopausal
age between women who underwent or not tubal ligation. Based on
the review of literature, no conclusive statements can be made in
this regard due to contradictory results between publications. Larger
randomized case-control studies should be performed to enable
making stronger conclusions about the long-term effect of tubal
ligation as a method for birth control.
Acknowledgements
We would like to thank all women who participated in the study.
Declarations
Ethics approval and consent to participate
Written informed consent was obtained from the patients for the
purpose of this study. A copy of the consent is available for review by
the Editor-in-Chief of this journal.
Consent for publication
Not applicable.
Availability of data and materials
The patients’ data are available upon request and after approval of
the authors to preserve the patients’ anonymity.
Funding
None.
Authors’ contributions
GAT and EA are responsible of the medical and therapeutic
management of the patients.
OH, FM, AK and SM collected the data and performed the data
entry.
OH analyzed the data.
Tubal ligation and early menopause: a case-control study
103
Copyright:
©2018 Tayeh et al.
Citation: Tayeh GA, Naba T, Habib O, et al. T ubal ligation and early menopause: a case-control study. Obstet Gynecol Int J. 2018;9(2):101‒103.
DOI: 10.15406/ogij.2018.09.00314
Dr GAT, OH and SM wrote the manuscript.
All authors approved the manuscript and GAT gave his final
approval of the paper to be published.
Conflicts of interest
The authors declare that they have no conflict of interest in
publishing the article.
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