“…Twin ectopics have been seen more often. Considering the frequencies of ectopic pregnancy and twinning, it is surprising that Storch and Petrie ( 1976 ) found only 87 reported cases of ectopic twins. More astonishing still is the fact that most tubal ectopics are monochorionic.…”
Section: Twins In Abortion and Ectopic Pregnancymentioning
“…Twin ectopics have been seen more often. Considering the frequencies of ectopic pregnancy and twinning, it is surprising that Storch and Petrie ( 1976 ) found only 87 reported cases of ectopic twins. More astonishing still is the fact that most tubal ectopics are monochorionic.…”
Section: Twins In Abortion and Ectopic Pregnancymentioning
“…Unilateral twinectopic pregnancies occur in 1:200 ectopic pregnancies [5]. Most cases are monochorionic and monozygotic [6]. A rare case of diamniotic dichorionic unilateral twin ectopic pregnancy was reported by Ghike et al and it appears this patient also had a diamniotic dichorionic twin [7].…”
“…Although the majority of unilateral twin tubal gestations are monozygotic, 8 the true incidence of monozygotic twin ectopic gestation may be underreported. This could be due to early wastage of one embryo or malformation associated with twinning, and it is likely that many cases are not reported.…”
Spontaneous dizygotic unilateral twin tubal pregnancy is an extremely rare occurrence with a high risk for pregnancy-related mortality, and a diagnostic challenge for obstetricians. We present a case of a 27-year-old woman with spontaneous twin tubal pregnancy. Transvaginal color Doppler sonography revealed 2 separate gestational sacs within the right adnexa, each containing an embryo. Cytogenetic examination of the trophoblastic tissues confirmed the diagnosis of dizygotic twin ectopic pregnancy. Clinical signs and symptoms together with imaging studies help in the diagnosis of this rare variant of ectopic pregnancies.
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