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Shirei Ohgi

The frequency of ovulation from the affected ovary decreases following laparoscopic cystectomy in infertile women with unilateral endometrioma during a natural cycle
2008 · Takashi Horikawa, Koji Nakagawa, et al. · Journal of Assisted Reproduction and Genetics · 72
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Laparoscopy should be strongly considered for women with unexplained infertility
2007 · Koji Nakagawa, Shirei Ohgi, et al. · Journal of obstetrics and gynaecology research · 52
Glutathione S-transferase theta 1 expressed in granulosa cells as a biomarker for oocyte quality in age-related infertility
2007 · Megumu Ito, Miho Muraki, et al. · Fertility and Sterility · 50
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Impact of laparoscopic cystectomy on fecundity of infertility patients with ovarian endometrioma
2007 · Koji Nakagawa, Shirei Ohgi, et al. · Journal of obstetrics and gynaecology research · 36
Difference in the size of the placenta and umbilical cord between women with natural pregnancy and those with IVF pregnancy
2017 · Atsushi Yanaihara, Shota Hatakeyama, et al. · Journal of Assisted Reproduction and Genetics · 30
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Optimization of a novel nylon mesh container for human embryo ultrarapid vitrification
2009 · Akira Nakashima, Nao Ino, et al. · Fertility and Sterility · 26
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Phase I/II Multiinstitutional Study of Uterine Artery Embolization with Gelatin Sponge for Symptomatic Uterine Leiomyomata: Japan Interventional Radiology in Oncology Study Group Study
2010 · Miyuki Sone, Yasuaki Arai, et al. · Journal of Vascular and Interventional Radiology · 24
Laparoscopic proximal tubal division can preserve ovarian reserve for infertility patients with hydrosalpinges
2008 · Koji Nakagawa, Shirei Ohgi, et al. · Journal of obstetrics and gynaecology research · 24
The ratio of late-follicular to mid-follicular phase LH concentrations efficiently predicts ART outcomes in women undergoing ART treatment with GnRH-agonist long protocol and stimulation with recombinant FSH
2008 · Koji Nakagawa, Shirei Ohgi, et al. · Journal of Assisted Reproduction and Genetics · 21
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Reduction of perifollicular arterial blood flow resistance after hCG administration is a good indicator of the recovery of mature oocytes in ART treatment
2006 · Koji Nakagawa, Shirei Ohgi, et al. · Journal of Assisted Reproduction and Genetics · 20
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Insulin resistance in oligomenorrheic infertile women with non-polycystic ovary syndrome
2007 · Shirei Ohgi, Koji Nakagawa, et al. · Fertility and Sterility · 14
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Morphologically poor blastocysts could affect the implantation rate of a morphologically good blastocyst during a double‐blastocyst transfer for patients who have experienced repeated implantation failures
2018 · Shirei Ohgi, Yukino Taga, et al. · Reproductive Medicine and Biology · 12
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A comparison of the clinical outcomes of embryos derived from intracytoplasmic sperm injection after early fertilization check and conventional insemination using sibling oocytes
2015 · Shirei Ohgi, Chikako Hagihara, et al. · Archives of Gynecology and Obstetrics · 10
Recombinant‐follicle stimulating hormone is more effective than urinary human menopausal gonadotropin in ovarian hyperstimulation for assisted reproductive technology treatment
2007 · KOJI NAKAGAWA, SHIREI OHGI, et al. · Reproductive Medicine and Biology · 9
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Assisted sperm fusion insemination improves fertilization rates and increases usable embryos for transfer: a clinical sibling-oocyte study
2024 · Shota Hatakeyama, Kaori Koizumi, et al. · F&S Reports · 7
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An abdominal ectopic pregnancy following a frozen-thawed ART cycle: a case report and review of the literature
2017 · Atsushi Yanaihara, Shirei Ohgi, et al. · BMC Pregnancy and Childbirth · 7
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Effect of Male Cigarette Smoking on In Vitro Fertilization (IVF) Outcomes and Embryo Morphokinetic Parameters
2024 · Ryoma Taniguchi, Shota Hatakeyama, et al. · Cureus · 6
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Efficacy of Hyaluronan-Enriched Transfer Medium for Low-Grade Frozen Embryo Transfer
2023 · Yoriko Horiuchi, Atsushi Yanaihara, et al. · Cureus · 6
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Fertilization with human sperm bound to zona pellucida by pressing onto the oocyte membrane
2020 · Shota Hatakeyama, Yasuyuki Araki, et al. · Human Cell · 6
Dichorionic triplets following frozen-thawed poor-stage embryo transfer: a report of two cases and a review
2017 · Atsushi Yanaihara, Shirei Ohgi, et al. · Reproductive Biology and Endocrinology · 6
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Elevated basal FSH levels, if it is under 15 IU/L, will not reflect poor ART outcomes
2008 · Rieko Kojima, Koji Nakagawa, et al. · Journal of Assisted Reproduction and Genetics · 5
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Laparoscopically‐assisted transabdominal oocyte retrieval in an infertility patient with ovarian malposition
2009 · Koji Nakagawa, Shirei Ohgi, et al. · Reproductive Medicine and Biology · 4
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Laparoscopic proximal tubal division can preserve ovarian reserve for infertility patients with hydrosalpinges
2007 · A. Nakashima, K. Nakagawa, et al. · Fertility and Sterility · 4
Intraovarian arterial blood flow resistance in oligomenorrheal infertile women
2006 · Koji Nakagawa, Yuji Takahashi, et al. · Journal of Assisted Reproduction and Genetics · 4
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First birth following assisted sperm fusion insemination using sperm bound to zona pellucida
2020 · Shota Hatakeyama, Yasuyuki Araki, et al. · Journal of Assisted Reproduction and Genetics · 3
Works count: 46
Citation count: 473
H-index: 12
I10-index: 13
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