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Ovarian pregnancy associated with a fresh blastocyst transfer following in vitro fertilization
Author(s) -
Ishikawa Hiroshi,
Sanada Michio,
Shozu Makio
Publication year - 2015
Publication title -
journal of obstetrics and gynaecology research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.597
H-Index - 50
eISSN - 1447-0756
pISSN - 1341-8076
DOI - 10.1111/jog.12790
Subject(s) - medicine , ovarian pregnancy , corpus luteum , ectopic pregnancy , in vitro fertilisation , blastocyst , pregnancy , gynecology , andrology , ovary , embryo transfer , laparoscopy , gestational sac , obstetrics , embryo , biology , surgery , endocrinology , embryogenesis , genetics , microbiology and biotechnology
Ovarian pregnancy is a rare subtype of ectopic pregnancy, and its mechanisms have not been clarified. We report a case of ovarian pregnancy that supports a blastocyst migration mechanism. An infertile woman became pregnant after a single blastocyst transfer following in vitro fertilization during a fresh non‐donor cycle. Transvaginal ultrasound revealed a gestational sac‐like structure containing an active fetus that was located adjacent to the corpus luteum of the right ovary. Laparoscopy identified a red, swollen implantation site in the ovary, which was completely removed by wedge resection without damaging the remaining parenchyma. This case demonstrated that a fresh blastocyst transferred into the endometrial cavity migrated through the fallopian tube, implanted on an ovarian surface, and formed an ovarian pregnancy.

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