| Blastocoele collapse by micropipetting prior to vitrification gives excellent survival and pregnancy outcomes for human day 5 and 6 expanded blastocysts K Hiraoka, K Hiraoka, M Kinutani, K Kinutani Human Reproduction 19 (12), 2884-2888, 2004 | 251 | 2004 |
| Perinatal outcomes following transfer of human blastocysts vitrified at day 5, 6 and 7 K Hiraoka, K Hiraoka, M Miyazaki, E Fukunaga, T Horiuchi, T Kusuda, ... Journal of Experimental & Clinical Assisted Reproduction 6, 2009 | 59 | 2009 |
| Impact of the size of zona pellucida thinning area on vitrified-warmed cleavage-stage embryo transfers: a prospective, randomized study K Hiraoka, K Hiraoka, T Horiuchi, T Kusuda, S Okano, M Kinutani, ... Journal of assisted reproduction and genetics 26, 515-521, 2009 | 55 | 2009 |
| Effect of the size of zona pellucida opening by laser assisted hatching on clinical outcome of frozen cleaved embryos that were cultured to blastocyst after thawing in women … K Hiraoka, M Fuchiwaki, K Hiraoka, T Horiuchi, T Murakami, M Kinutani, ... Journal of Assisted Reproduction and Genetics 25, 129-135, 2008 | 51 | 2008 |
| Clinical efficiency of Piezo-ICSI using micropipettes with a wall thickness of 0.625 μm K Hiraoka, S Kitamura Journal of assisted reproduction and genetics 32, 1827-1833, 2015 | 50 | 2015 |
| Case report: successful pregnancy after vitrification of a human blastocyst that had completely escaped from the zona pellucida on day 6 K Hiraoka, K Hiraoka, M Kinutani, K Kinutani Human Reproduction 19 (4), 988-990, 2004 | 44 | 2004 |
| Vitrified human day-7 blastocyst transfer: 11 cases K Hiraoka, M Fuchiwaki, K Hiraoka, T Horiuchi, S Okano, M Kinutani, ... Reproductive biomedicine online 17 (5), 689-694, 2008 | 35 | 2008 |
| Zona pellucida removal and vitrified blastocyst transfer outcome: a preliminary study K Hiraoka, M Fuchiwaki, K Hiraoka, T Horiuchi, T Murakami, M Kinutani, ... Reproductive BioMedicine Online 15 (1), 68-75, 2007 | 28 | 2007 |
| Vitrification of human hatched blastocysts: a report of 4 cases. K Hiraoka, M Kinutani, K Kinutani The Journal of Reproductive Medicine 52 (5), 413-415, 2007 | 25 | 2007 |
| PIEZO-ICSI increases fertilization rates compared with standard ICSI: a prospective cohort study D Zander-Fox, K Lam, L Pacella-Ince, C Tully, H Hamilton, K Hiraoka, ... Reproductive biomedicine online 43 (3), 404-412, 2021 | 24 | 2021 |
| Case report: successful delivery following the transfer of a human re-vitrified day-7 spontaneously hatched blastocyst developed from vitrified cleaved embryos K Hiraoka, K Hiraoka, T Horiuchi, T Kusuda, S Okano, M Kinutani, ... Journal of assisted reproduction and genetics 26, 405-409, 2009 | 19 | 2009 |
| Successful dizygotic twin pregnancy after recryopreservation by vitrification of human expanded blastocysts developed from frozen cleaved embryos on day 6: a case report K Hiraoka, K Hiraoka, M Kinutani, K Kinutani Journal of reproductive medicine 51 (3), 213-215, 2006 | 17 | 2006 |
| Piezo-ICSI for human oocytes K Hiraoka, M Isuge, Y Kamada, T Kaji, T Suhara, A Kuga, K Ohuchi, ... J Vis Exp 170 (10.3791), 60224, 2021 | 11 | 2021 |
| Re-cryopreservation by vitrification of human blastocysts developed from frozen-cleaved embryos: a report of 15 cycles K Hiraoka, M Fuchiwaki, K Hiraoka, T Horiuchi, T Murakami, M Kinutani, ... Journal of Mammalian Ova Research 24 (1), 23-28, 2007 | 11 | 2007 |
| Case report: two successful pregnancies following the transfer of re-vitrified human day 7 blastocysts developed from vitrified cleaved embryos K Hiraoka, Y Fujimoto, Y Tateaki, K Hiraoka, T Horiuchi, S Okano, ... Journal of assisted reproduction and genetics 25, 503-509, 2008 | 10 | 2008 |
| A case of discrepancy between three ERA tests in a woman with repeated implantation failure complicated by chronic endometritis K Ota, T Takahashi, J Mitsui, K Kuroda, K Hiraoka, K Kawai BMC Pregnancy and Childbirth 22 (1), 891, 2022 | 9 | 2022 |
| Assisted hatching at the time of warming improves pregnancy and implantation outcomes for vitrified human expanded blastocyst transfer K Hiraoka, K Hiraoka, M Kinutani, K Kinutani Journal of Mammalian Ova Research 21 (3), 118-122, 2004 | 9 | 2004 |
| Impact of the volume of cytoplasm aspirated into the injection pipette at the time of oolemma breakage on the fertilization rate after ICSI: a preliminary study K Hiraoka, T Tamaki, Y Matsumura, C Kiriake, H Uto, H Yoshida, ... Journal of Mammalian Ova Research 29 (1), 82-87, 2012 | 8 | 2012 |
| Effects of sperm direction in Piezo‐ICSI on oocyte survival, fertilization, embryo development and implantation ability in humans: A preliminary study K Hiraoka, S Kitamura, Y Otsuka, K Kawai, T Harada, T Ishikawa Journal of Obstetrics and Gynaecology Research 44 (10), 1963-1969, 2018 | 7 | 2018 |
| Results of lifestyle modification promotion and reproductive/general health check for male partners of couples seeking conception A Komiya, M Kato, H Shibata, Y Imamura, T Sazuka, S Sakamoto, ... Heliyon 9 (4), 2023 | 3 | 2023 |
