Ectopic Pregnancy Contralateral to Unilateral GIFT

Keeping, Douglas; Harrison, K.; Sherrin, Deborah

doi:10.1111/j.1479-828x.1993.tb02068.x

Cited by 13 publications

(14 citation statements)

References 6 publications

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“…Cases of EPs involving contralateral to unilateral intrafallopian gamete and ETs have been reported extensively and may support this speculation (11).…”

Section: Discussionmentioning

confidence: 86%

Six cases of tubal stump pregnancy: complication of assisted reproductive technology?

Liang

et al. 2011

Fertility and Sterility

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“…Cases of EPs involving contralateral to unilateral intrafallopian gamete and ETs have been reported extensively and may support this speculation (11).…”

Section: Discussionmentioning

confidence: 86%

Six cases of tubal stump pregnancy: complication of assisted reproductive technology?

Liang

et al. 2011

Fertility and Sterility

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“…But after embryo transfer in IVF cycles the embryo must be displaced from the uterus to the fallopian tube for an ectopic pregnancy to occur. In fact ectopic pregnancies have been described in the contralateral fallopian tube after unilateral gamete intra-fallopian transfer (GIFT) [ 3 ]. It is therefore likely that reduced endometrial receptivity plays a role in the pathogenesis of ectopic pregnancy.…”

Section: Introductionmentioning

confidence: 99%

Ectopic pregnancy risk factors for ART patients undergoing the GnRH antagonist protocol: a retrospective study

Weiss

Beck-Fruchter

Golan

et al. 2016

Reprod Biol Endocrinol

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BackgroundIn-vitro fertilization is a known risk factor for ectopic pregnancies. We sought to establish the risk factors for ectopic pregnancy in GnRH antagonist cycles examining patient and stimulation parameters with an emphasis on ovulation trigger.MethodsWe conducted a retrospective, cohort study of 343 patients undergoing 380 assisted reproductive technology (ART) cycles with the GnRH antagonist protocol and achieving a clinical pregnancy from November 2010 through December 2015.ResultsSignificant risk factors for ectopic pregnancy in the univariate analysis included prior Cesarean section (CS), endometriosis, mechanical factor infertility, longer stimulation, elevated estradiol and progesterone levels, GnRH agonist trigger, higher number of oocytes aspirated, and insemination technique. Independent risk factors for ectopic pregnancy in the multivariate analysis included GnRH agonist trigger, higher number of oocytes aspirated, insemination technique, and prior Cesarean section.ConclusionExcessive ovarian response, IVF (as opposed to ICSI), prior Cesarean section and GnRH agonist trigger were found to be independent risk factors for ectopic pregnancy. Caution should be exercised before incorporating the GnRH agonist trigger for indications other than preventing OHSS. When excessive ovarian response leads to utilization of GnRH agonist trigger, strategies for preventing ectopic pregnancy, such as a freeze all policy or blastocyst transfer, should be considered. Further studies should elucidate whether adjusting the luteal support can reduce the ectopic pregnancy risk.

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“…To speculate upon the mechanisms involved in these cases, it is conceivable that following ovulation from the left ovary, an oocyte may have been normally fertilized in the left tube and later taken up to the right remnant tube by intrauterine transmigration. Cases of ectopic pregnancies contralateral to unilateral intrafallopian gamete and embryo transfers have indeed been reported 7 and may support this speculation. Alternatively, it cannot be excluded the possibility that an egg fertilized in left tube migrated transperitoneally or transabdominally, and passed through a fistula into the right tubal stump and local embryo nidation occurred.…”

Section: Discussionmentioning

confidence: 65%

Spontaneous ectopic pregnancy occurring in the isthmic portion of the remnant tube after ipsilateral adnexectomy: Report of two cases

Takeda

Manabe

Mitsui

et al. 2006

J of Obstet and Gynaecol

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Two cases of spontaneous ectopic pregnancy occurring in the isthmic portion of the remnant tube after previous ipsilateral adnexectomy are presented. Laparoscopic observation and postoperative histopathological examination suggested intrauterine transmigration of the fertilized egg as the etiology. Laparoscopic excision of the remnant tube was performed and the postoperative course was uneventful in both cases. Attention should be paid to this unusual type of ectopic pregnancy while examining patients with previous history of adnexal surgery.

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Ectopic Pregnancy Contralateral to Unilateral GIFT

Cited by 13 publications

References 6 publications

Six cases of tubal stump pregnancy: complication of assisted reproductive technology?

Six cases of tubal stump pregnancy: complication of assisted reproductive technology?

Ectopic pregnancy risk factors for ART patients undergoing the GnRH antagonist protocol: a retrospective study

Spontaneous ectopic pregnancy occurring in the isthmic portion of the remnant tube after ipsilateral adnexectomy: Report of two cases

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