A Case Report of Conjoined Oocytes with Independent Zona Pellucida from Polycystic Ovary Syndrome

Ayaka Tanaka; Hitomi Nakamura; Keiichi Kumasawa; Tateki Tsutsui; Kiichiro Furuya; Namhyo Kim; Kaori Koizumi; Tadashi Kimura

doi:doi:10.11648/j.jgo.20160405.11

A Case Report of Conjoined Oocytes with Independent Zona Pellucida from Polycystic Ovary Syndrome

Ayaka Tanaka, Hitomi Nakamura, Keiichi Kumasawa, Tateki Tsutsui, Kiichiro Furuya, Namhyo Kim, Kaori Koizumi, Tadashi Kimura

Published in Journal of Gynecology and Obstetrics (Volume 4, Issue 5)

Received: 27 July 2016 Accepted: 5 August 2016 Published: 7 September 2016

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Abstract

The occurrence of more than two ova from the same follicle (polyovular follicle) in humans has been observed. In this case report there was a high frequency of conjoined oocytes retrieved with individual zona pellucida (40% of oocytes retrieved, 4.3% of mature follicles) from women with polycystic ovary syndrome (PCOS). We may have to be more aware of the risk of multiple pregnancies in infertility treatment for PCOS women.

Published in	Journal of Gynecology and Obstetrics (Volume 4, Issue 5)
DOI	10.11648/j.jgo.20160405.11
Page(s)	25-29
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Conjoined oocytes, Polyovular Follicle, Binovular Follicle, Polycystic Ovary Syndrome (PCOS), Assisted Reproductive Technology (ART) Treatment, Case Report

References

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APA Style

Ayaka Tanaka, Hitomi Nakamura, Keiichi Kumasawa, Tateki Tsutsui, Kiichiro Furuya, et al. (2016). A Case Report of Conjoined Oocytes with Independent Zona Pellucida from Polycystic Ovary Syndrome. Journal of Gynecology and Obstetrics, 4(5), 25-29. https://doi.org/10.11648/j.jgo.20160405.11

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ACS Style

Ayaka Tanaka; Hitomi Nakamura; Keiichi Kumasawa; Tateki Tsutsui; Kiichiro Furuya, et al. A Case Report of Conjoined Oocytes with Independent Zona Pellucida from Polycystic Ovary Syndrome. J. Gynecol. Obstet. 2016, 4(5), 25-29. doi: 10.11648/j.jgo.20160405.11

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AMA Style

Ayaka Tanaka, Hitomi Nakamura, Keiichi Kumasawa, Tateki Tsutsui, Kiichiro Furuya, et al. A Case Report of Conjoined Oocytes with Independent Zona Pellucida from Polycystic Ovary Syndrome. J Gynecol Obstet. 2016;4(5):25-29. doi: 10.11648/j.jgo.20160405.11

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@article{10.11648/j.jgo.20160405.11,
  author = {Ayaka Tanaka and Hitomi Nakamura and Keiichi Kumasawa and Tateki Tsutsui and Kiichiro Furuya and Namhyo Kim and Kaori Koizumi and Tadashi Kimura},
  title = {A Case Report of Conjoined Oocytes with Independent Zona Pellucida from Polycystic Ovary Syndrome},
  journal = {Journal of Gynecology and Obstetrics},
  volume = {4},
  number = {5},
  pages = {25-29},
  doi = {10.11648/j.jgo.20160405.11},
  url = {https://doi.org/10.11648/j.jgo.20160405.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jgo.20160405.11},
  abstract = {The occurrence of more than two ova from the same follicle (polyovular follicle) in humans has been observed. In this case report there was a high frequency of conjoined oocytes retrieved with individual zona pellucida (40% of oocytes retrieved, 4.3% of mature follicles) from women with polycystic ovary syndrome (PCOS). We may have to be more aware of the risk of multiple pregnancies in infertility treatment for PCOS women.},
 year = {2016}
}

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TY  - JOUR
T1  - A Case Report of Conjoined Oocytes with Independent Zona Pellucida from Polycystic Ovary Syndrome
AU  - Ayaka Tanaka
AU  - Hitomi Nakamura
AU  - Keiichi Kumasawa
AU  - Tateki Tsutsui
AU  - Kiichiro Furuya
AU  - Namhyo Kim
AU  - Kaori Koizumi
AU  - Tadashi Kimura
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T2  - Journal of Gynecology and Obstetrics
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AB  - The occurrence of more than two ova from the same follicle (polyovular follicle) in humans has been observed. In this case report there was a high frequency of conjoined oocytes retrieved with individual zona pellucida (40% of oocytes retrieved, 4.3% of mature follicles) from women with polycystic ovary syndrome (PCOS). We may have to be more aware of the risk of multiple pregnancies in infertility treatment for PCOS women.
VL  - 4
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Author Information

Ayaka Tanaka

Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan
Hitomi Nakamura

Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan
Keiichi Kumasawa

Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan
Tateki Tsutsui

Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan
Kiichiro Furuya

Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan
Namhyo Kim

Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan
Kaori Koizumi

Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan
Tadashi Kimura

Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan

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Plain Text BibTeX RIS

APA Style

Ayaka Tanaka, Hitomi Nakamura, Keiichi Kumasawa, Tateki Tsutsui, Kiichiro Furuya, et al. (2016). A Case Report of Conjoined Oocytes with Independent Zona Pellucida from Polycystic Ovary Syndrome. Journal of Gynecology and Obstetrics, 4(5), 25-29. https://doi.org/10.11648/j.jgo.20160405.11

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ACS Style

Ayaka Tanaka; Hitomi Nakamura; Keiichi Kumasawa; Tateki Tsutsui; Kiichiro Furuya, et al. A Case Report of Conjoined Oocytes with Independent Zona Pellucida from Polycystic Ovary Syndrome. J. Gynecol. Obstet. 2016, 4(5), 25-29. doi: 10.11648/j.jgo.20160405.11

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AMA Style

Ayaka Tanaka, Hitomi Nakamura, Keiichi Kumasawa, Tateki Tsutsui, Kiichiro Furuya, et al. A Case Report of Conjoined Oocytes with Independent Zona Pellucida from Polycystic Ovary Syndrome. J Gynecol Obstet. 2016;4(5):25-29. doi: 10.11648/j.jgo.20160405.11

Copy | Download

@article{10.11648/j.jgo.20160405.11,
  author = {Ayaka Tanaka and Hitomi Nakamura and Keiichi Kumasawa and Tateki Tsutsui and Kiichiro Furuya and Namhyo Kim and Kaori Koizumi and Tadashi Kimura},
  title = {A Case Report of Conjoined Oocytes with Independent Zona Pellucida from Polycystic Ovary Syndrome},
  journal = {Journal of Gynecology and Obstetrics},
  volume = {4},
  number = {5},
  pages = {25-29},
  doi = {10.11648/j.jgo.20160405.11},
  url = {https://doi.org/10.11648/j.jgo.20160405.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jgo.20160405.11},
  abstract = {The occurrence of more than two ova from the same follicle (polyovular follicle) in humans has been observed. In this case report there was a high frequency of conjoined oocytes retrieved with individual zona pellucida (40% of oocytes retrieved, 4.3% of mature follicles) from women with polycystic ovary syndrome (PCOS). We may have to be more aware of the risk of multiple pregnancies in infertility treatment for PCOS women.},
 year = {2016}
}

Copy | Download

TY  - JOUR
T1  - A Case Report of Conjoined Oocytes with Independent Zona Pellucida from Polycystic Ovary Syndrome
AU  - Ayaka Tanaka
AU  - Hitomi Nakamura
AU  - Keiichi Kumasawa
AU  - Tateki Tsutsui
AU  - Kiichiro Furuya
AU  - Namhyo Kim
AU  - Kaori Koizumi
AU  - Tadashi Kimura
Y1  - 2016/09/07
PY  - 2016
N1  - https://doi.org/10.11648/j.jgo.20160405.11
DO  - 10.11648/j.jgo.20160405.11
T2  - Journal of Gynecology and Obstetrics
JF  - Journal of Gynecology and Obstetrics
JO  - Journal of Gynecology and Obstetrics
SP  - 25
EP  - 29
PB  - Science Publishing Group
SN  - 2376-7820
UR  - https://doi.org/10.11648/j.jgo.20160405.11
AB  - The occurrence of more than two ova from the same follicle (polyovular follicle) in humans has been observed. In this case report there was a high frequency of conjoined oocytes retrieved with individual zona pellucida (40% of oocytes retrieved, 4.3% of mature follicles) from women with polycystic ovary syndrome (PCOS). We may have to be more aware of the risk of multiple pregnancies in infertility treatment for PCOS women.
VL  - 4
IS  - 5
ER  -

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